HULK Metal integrates multiple Precision Casting Factories in China, covering resin sand casting, lost foam casting, and lost wax casting. Each factory is equipped with dedicated production lines and inspection systems to meet different structural, dimensional, and surface finish requirements.
This section provides essential insights into our production capabilities, manufacturing processes, quality control systems, supply chain advantages, and service support. From factory capacity and equipment strength to strict inspection standards and after-sales commitment, every detail directly impacts product performance, cost control, and delivery reliability. If you are sourcing precision casting parts for long-term cooperation, understanding these key factors will help you make informed, confident decisions.
Our Precision Casting Factory integrates casting, machining, surface treatment, inspection, and logistics into one coordinated production system. From raw material selection to final delivery, each stage is managed under ISO 9001 standards. We manufacture strictly according to drawings and technical requirements, ensuring consistent quality across different batches. With diversified processes and comprehensive testing methods, we provide reliable OEM precision casting services for demanding industrial applications worldwide.
Manufacturing Methods | Manufacturing According to Drawings |
Raw Materials | Alloy Steel, Stainless Steel,and Aluminum. |
Process | Casting: Sand Casting, Investment Casting, Lost Foam Casting |
Application | Vehicles, food processing machinery, construction machinery, general machinery, engineering machinery, others |
Surface Treatment | Powder Coating, Anodized, Sandblasting, Raw Black / Customized |
Test Content & Data | 1. Chemical Composition; 2. Mechanical Properties; 3. Inspection of appearance, size, shape, and position tolerance; 4. Surface Quality; |
Packaging | Wooden case / Carton / Bulk / Individually Packaged / Customized |
Service | Freight consulting / Quality inspection / After-sales / Other value-added services. |
Delivery Method | Sea / Air / Land |
Quality Assurance | Life Long |
Even experienced Precision Casting Factories face defects if process control is not precise enough. By analyzing root causes in material, mold design, pouring control, and cooling stages, problems can be corrected systematically, improving yield rate, dimensional stability, and mechanical performance.
Porosity typically forms when gas becomes trapped during pouring or solidification. Common sources include excessive moisture in sand molds, insufficient shell permeability in investment casting, unstable pouring temperature, contaminated charge materials, or turbulence in the gating system. In aluminum precision casting, hydrogen absorption is also a major contributor.
Strictly control raw material cleanliness and avoid rusted scrap.
Use spectrometer analysis before melting to confirm composition stability.
Perform degassing treatment (argon or nitrogen purging for aluminum alloys).
Optimize gating design to reduce turbulence and air entrapment.
Increase venting channels in sand molds and improve shell permeability in lost wax casting.
Control pouring temperature within a stable range to avoid excessive gas dissolution.
Bake molds and shells thoroughly to eliminate residual moisture.
These combined measures significantly reduce internal pores and improve density consistency.
Shrinkage defects occur during solidification when molten metal contracts without sufficient feeding. Poor riser design, incorrect solidification sequence, or uneven wall thickness can prevent proper compensation. Alloys with wider solidification ranges are more prone to this issue.
Use casting simulation software to analyze solidification sequence before tooling production.
Design risers at the last solidification zone to ensure directional solidification.
Apply exothermic sleeves or insulating risers to extend feeding time.
Optimize gating size to maintain adequate metal supply.
Adjust alloy composition when necessary to narrow solidification range.
Improve cooling control by using chill blocks to guide solidification direction.
Compared with traditional experience-based adjustments, simulation-supported design reduces defect rates more effectively.
Sand inclusion often results from mold erosion due to high metal velocity. Slag inclusion may come from insufficient slag removal during melting or turbulent pouring conditions.
Improve sand mixing ratio and resin percentage to enhance mold strength.
Apply ceramic filters in the gating system to capture slag particles.
Use slag removal tools and refine melt before pouring.
Optimize pouring speed to prevent mold wall erosion.
Inspect mold cavity surface before closing molds.
These measures improve surface integrity and reduce secondary machining costs.
Dimensional inaccuracies are often caused by pattern deformation, uneven cooling stress, shell thickness variation, or improper machining allowance. Large flat structures are especially prone to warpage.
Compensate shrinkage rate accurately during pattern design.
Maintain stable wax injection temperature and pressure in lost wax casting.
Control uniform shell building thickness to avoid uneven expansion.
Use controlled cooling methods instead of natural random cooling.
Implement in-process inspection using CMM equipment after rough machining.
Adjust machining fixtures to prevent deformation during clamping.
Stable dimensional control requires coordination between casting and machining teams.
Surface defects may originate from coarse sand grains, poor refractory coating quality, incomplete mold drying, or oxidation during pouring.
Select finer sand grains or higher-quality ceramic shell materials.
Apply uniform refractory coatings with controlled thickness.
Extend shell drying time to increase surface strength.
Control pouring temperature to reduce oxidation reaction.
Perform shot blasting, polishing, or precision machining for improved finish.
For stainless steel precision casting, apply pickling and passivation when required.
These steps produce smoother surfaces and reduce finishing workload.
Cracks form due to internal stress during solidification or improper heat treatment cycles. Alloys with high shrinkage rates or sharp structural transitions are more susceptible.
Modify structural design to reduce sharp corners and sudden thickness changes when possible.
Adjust alloy chemical composition to improve ductility.
Control cooling rate to avoid excessive thermal stress.
Implement gradual heat treatment cycles with controlled heating and cooling speeds.
Conduct magnetic particle or dye penetrant inspection to detect early cracks.
Proper stress control during both casting and post-treatment stages significantly improves reliability.
These defects occur when molten metal loses fluidity before completely filling the cavity. Low pouring temperature, long flow distance, or insufficient mold preheating are typical reasons.
Increase pouring temperature within safe metallurgical limits.
Enlarge gating cross-section to improve flow capacity.
Shorten metal flow path by redesigning gating layout.
Preheat ceramic shells in investment casting to improve filling ability.
Use alloys with better fluidity for thin-wall components.
With better process control, thin-wall precision casting parts can achieve more stable forming results.
In a well-managed Precision Casting Factory, defect prevention depends on systematic control rather than isolated adjustments. By integrating simulation analysis, raw material verification, controlled melting, optimized gating design, and strict inspection procedures, defect rates can be reduced significantly while maintaining consistent mechanical performance and dimensional accuracy across production batches.
Mass production in a Precision Casting Factory requires systematic planning, strict process control, and coordinated teamwork. From technical evaluation to final delivery and after-sales support, each stage is standardized to ensure stable quality, repeatable accuracy, and reliable supply performance.
Mass production begins with a full technical review of customer drawings and order requirements. Engineers analyze material grade, dimensional tolerance, structural complexity, surface finish, and application environment. Based on these factors, the most suitable casting method—such as sand casting, lost foam casting, or lost wax casting—is selected. Machining allowance, heat treatment requirements, and inspection standards are defined in advance. Compared with factories that rely only on experience, a structured evaluation process reduces risk and improves production efficiency.
Mold design is developed strictly according to approved drawings and shrinkage rates of the selected material. Gating and riser systems are optimized to support proper metal flow and directional solidification. After manufacturing, the mold is assembled and tested to verify alignment, cavity integrity, and dimensional compensation. Trial pouring is often conducted to confirm structural stability. Any dimensional deviation or surface issue identified during debugging is corrected before moving forward.
Before mass production, sample castings are produced under actual process conditions. These samples undergo dimensional inspection, chemical composition testing, mechanical property verification, and surface evaluation based on customer specifications. If machining is required, sample parts are processed to confirm tolerance compliance. Only after all test results meet drawing requirements and customer approval is received will the factory release the order for large-scale production. This step significantly reduces batch rejection risks.
Stable raw material supply is critical for consistent casting quality. Qualified suppliers are selected based on long-term cooperation and traceability capability. Each incoming batch of alloy steel, stainless steel, or aluminum is tested using spectrometers to confirm chemical composition. Physical properties are verified when necessary. Materials that do not meet standards are rejected immediately. Compared with uncontrolled sourcing, strict raw material inspection ensures better mechanical stability in final products.
After process validation, mass production begins following standardized operating procedures. Melting temperature, pouring speed, cooling time, and mold handling are controlled within defined parameters. Operators record key production data to maintain consistency between batches. CNC machining and heat treatment processes are integrated according to technical requirements. Production scheduling is coordinated to maintain delivery timelines while ensuring stable quality output throughout the manufacturing cycle.
Quality control is performed at multiple stages, including in-process inspection and final inspection. Dimensional measurements are conducted using precision tools and CMM equipment when required. Chemical composition, mechanical properties, surface quality, and tolerance verification are documented. Non-destructive testing such as magnetic particle or dye penetrant inspection may be applied depending on application demands. Compared with single-stage inspection systems, layered inspection reduces defect escape rates.
After passing final inspection, parts are cleaned, protected against corrosion if necessary, and packaged according to transportation requirements. Packaging options may include wooden cases, cartons, individual protection, or customized solutions to prevent damage during transit. Clear labeling and documentation ensure traceability. Coordinated logistics planning supports sea, air, or land transportation, depending on delivery urgency and destination.
A professional Precision Casting Factory continues support after shipment. Production records are archived for traceability. If any quality issue arises, technical teams analyze root causes promptly and provide corrective measures. Replacement or replenishment procedures are activated when necessary. Long-term cooperation depends on consistent quality, responsive communication, and practical solutions that protect customer production schedules.
Cost calculation in a Precision Casting Factory is based on measurable production factors rather than rough estimates. By breaking down each cost component clearly, buyers can better understand pricing logic and identify opportunities to optimize total project investment.
(Material + Mold + Labor + Machining + Surface Treatment + Packaging + Transportation + Value-added Services) / Quantity = Precision Casting Part Cost
Material cost is the foundation of precision casting pricing. It includes raw alloy purchase, melting loss, and material utilization rate. Different grades of alloy steel, stainless steel, or aluminum significantly influence the total cost due to variations in market price and melting characteristics. Complex structures may increase scrap rate, which indirectly raises material consumption. Strict chemical composition control also adds testing expenses. When order quantity increases, bulk material purchasing reduces unit price and improves yield stability, lowering overall material cost per part.
Mold cost covers pattern design, tooling manufacturing, gating system development, and trial adjustments. For sand casting, this may include pattern plates and core boxes. For lost wax casting, it includes aluminum injection molds. Mold complexity, cavity number, and dimensional precision directly affect tooling cost. Although mold investment is a fixed upfront expense, it is distributed across total production quantity. Higher order volumes dilute tooling cost significantly, making unit casting cost more competitive over long-term cooperation.
Labor cost includes mold preparation, melting operation, pouring, cleaning, grinding, inspection, and internal handling. Skilled operators are essential for maintaining stable process control, especially in precision casting processes requiring accurate temperature and timing management. Compared with automated industries, casting still relies heavily on experienced technicians. However, larger production runs improve workflow efficiency and reduce repeated setup time, lowering labor cost per piece as production quantity increases.
Many precision casting parts require CNC machining to achieve tight tolerances and functional surfaces. Machining cost depends on dimensional requirements, surface finish standards, complexity of geometry, and required equipment type. Parts requiring multi-axis machining centers or additional drilling, tapping, and milling operations will incur higher expenses. Machining time is one of the key cost drivers. When quantities increase, programming time and fixture setup costs are spread across more parts, reducing per-unit machining cost.
Surface treatment cost varies depending on the selected finishing method, such as powder coating, anodizing, sandblasting, painting, passivation, or raw black finishing. Each treatment requires preparation, equipment usage, material consumption, and quality inspection. Stainless steel may require pickling and passivation, while aluminum often requires anodizing for corrosion resistance. More complex finishing standards increase processing time and inspection effort. Larger volumes often receive more favorable pricing from coating suppliers, reducing average finishing cost.
Packaging cost includes protective materials, cartons, wooden cases, pallets, labeling, and moisture protection measures. Fragile or high-precision parts may require individual wrapping or custom foam inserts to prevent damage during transport. Export orders often need fumigated wooden crates and reinforced packaging. Although packaging seems minor compared with manufacturing costs, improper packaging may lead to transportation damage and additional losses. Standardized packaging for higher quantities improves efficiency and reduces material waste.
Transportation cost depends on shipment weight, volume, destination country, and delivery method such as sea, air, or land freight. Heavier cast iron components increase freight cost more significantly than lightweight aluminum parts. International logistics also involve customs clearance and documentation handling. Shipping large consolidated orders lowers freight cost per unit compared with multiple small shipments. Optimized logistics planning ensures cost-effective and timely delivery.
Value-added services may include additional quality inspections, third-party testing reports, special certifications, urgent production scheduling, customized labeling, or dedicated project management support. These services enhance reliability and transparency but may increase short-term expenses. However, they often reduce long-term risk and potential rework costs. In larger projects, integrated service packages are typically negotiated at more favorable rates, improving overall cost efficiency.
In precision casting projects, higher production volume generally results in more competitive unit pricing because fixed costs such as tooling, setup, and inspection are distributed across more parts. Clear cost structure analysis helps buyers plan procurement strategy more effectively and maximize return on investment.
When sourcing from Precision Casting Factories, price alone should never be the deciding factor. Hidden risks in quality control, delivery capability, and technical support can increase long-term costs. Understanding common pitfalls and applying practical solutions protects your project and budget.
Some suppliers use unrealistically low quotations to win orders. After receiving deposits, they may delay production, request additional payments, substitute lower-grade materials, or deliver products that fail to meet drawing requirements. In many cases, the supplier lacks real production capacity or stable factory resources.
Verify the factory’s actual production capability before placing orders. Request production process documentation, inspection reports, and real workshop photos or videos. Conduct sample production with full testing before mass production. Clear contracts specifying material grade, inspection standards, delivery timeline, and compensation terms reduce risk significantly. Choosing a Precision Casting Factory with traceable quality management is more secure than selecting the lowest bidder.
To reduce cost pressure, some factories may replace specified alloy steel or stainless steel grades with cheaper alternatives. Chemical composition differences may not be visible externally but will affect mechanical performance and service life.
Require chemical composition reports for every production batch. Specify material standards clearly in the contract. Ask for spectrometer testing records and keep samples for third-party verification if necessary. Working with suppliers who conduct raw material incoming inspection reduces substitution risk. Stable suppliers are more transparent about material sourcing.
Precision casting requires accurate shrinkage compensation, stable mold control, and proper machining allowance. Factories without sufficient technical experience may struggle to maintain tight tolerances, especially for complex structures.
Confirm whether the supplier has CNC machining capability and CMM inspection equipment. Require sample approval before mass production. Ask for dimensional inspection reports for critical features. A structured pre-production technical review process significantly improves dimensional stability compared with factories that skip engineering validation.
Inconsistent melting temperature, uncontrolled pouring parameters, unstable raw material supply, or lack of standardized procedures can cause batch variation. Some factories rely heavily on manual experience without process documentation.
Select suppliers operating under ISO 9001 management systems. Confirm whether they maintain batch traceability and production records. Ask about standard operating procedures for melting, pouring, and inspection. Stable process control and documented quality checkpoints ensure repeatable production performance across multiple orders.
Overbooking orders, poor production scheduling, or limited factory capacity may lead to delivery delays. Some suppliers accept more orders than their actual casting capacity can handle.
Evaluate factory production scale and annual output before confirming cooperation. Clarify lead time and production scheduling arrangements in writing. Maintain communication during production and request progress updates. Factories with integrated casting and machining capabilities typically manage timelines more efficiently than fragmented supply chains.
Some suppliers provide minimal support after shipment. If defects are found during assembly or end use, they may delay response or deny responsibility due to unclear agreements.
Ensure the supplier provides documented quality assurance terms and clear return or replacement policies before order confirmation. Keep all inspection reports and communication records. Partnering with a Precision Casting Factory that maintains long-term cooperation mindset and structured after-sales procedures significantly reduces operational risk.
Careful supplier evaluation and structured cooperation agreements protect you from hidden procurement risks. Stable quality, transparent communication, and accountable service often prove more valuable than short-term price advantages.
Selecting the right Precision Casting Factory in China requires evaluating technical strength, production stability, and service reliability. A structured assessment helps reduce sourcing risks and ensures long-term cooperation success.
A strong engineering team is the foundation of stable precision casting production. Experienced engineers can accurately interpret drawings, calculate shrinkage rates, define machining allowance, and optimize gating systems before tooling begins. Without proper technical review, even advanced equipment cannot guarantee results. A professional team also communicates clearly about tolerance feasibility and process adjustments. Compared with trading-only suppliers, factories with in-house engineers respond faster and provide more practical manufacturing solutions.
Production capacity determines whether a factory can handle your order volume without delays. Evaluate melting equipment size, number of molding lines, machining centers, and workforce scale. A factory with higher annual casting output typically has better workflow coordination and scheduling ability. Stable capacity prevents overbooking and rushed production. It also supports long-term projects requiring repeated orders without quality fluctuation or delivery interruption.
A reliable Precision Casting Factory operates under structured quality control procedures such as ISO 9001 standards. Check whether the factory performs chemical composition testing, mechanical property verification, and dimensional inspection for each batch. Ask about traceability records and inspection documentation. Layered quality checkpoints during casting, machining, and finishing stages reduce defect rates significantly. Factories with systematic quality management provide more consistent results than those relying only on final inspection.
Casting quality depends heavily on raw material stability and supporting process coordination. A comprehensive supply chain includes reliable raw material suppliers, heat treatment support, machining capability, and surface finishing resources. Factories with long-term material partnerships ensure consistent alloy quality. Integrated supply chains reduce outsourcing risk, shorten lead times, and improve cost control compared with fragmented sourcing models.
Beyond production, a strong service system covers quotation support, technical consultation, production tracking, logistics coordination, and after-sales communication. Clear response procedures improve project transparency. Dedicated project managers reduce misunderstanding between engineering and purchasing teams. Compared with suppliers who focus only on manufacturing, factories offering full-process coordination create smoother cooperation and fewer operational disruptions.
Flexible payment methods and delivery terms reflect financial stability and international trade experience. Factories familiar with T/T, L/C, and other structured payment options provide more convenient cooperation for overseas buyers. Clear agreement on delivery terms such as FOB, CIF, or DDP prevents later disputes. Transparent financial arrangements strengthen trust and reduce commercial risk.
Global shipping capability ensures your precision casting parts can reach destination ports safely and efficiently. Experienced exporters understand customs documentation, packaging standards, and freight coordination. Proper export packaging protects heavy castings from damage during long-distance transportation. Factories familiar with sea, air, and land freight can recommend cost-effective logistics solutions based on urgency and order volume, improving overall supply reliability.
A dependable Precision Casting Factory stands behind its products. Quality assurance services should include documented inspection reports, batch traceability, and clear return or replacement procedures if defects occur. Long-term partners take responsibility for quality issues rather than avoiding accountability. Structured after-sales response mechanisms protect your production schedule and reduce unexpected losses. Reliable assurance policies reflect confidence in manufacturing consistency.
Precision casting parts are widely used in demanding industries where dimensional accuracy, strength, and durability are critical. Different sectors rely on tailored alloys and controlled processes to meet specific mechanical and environmental requirements.
Industry Category | Typical Precision Casting Parts | Detailed Description |
Automotive Industry | Gear housings, exhaust manifolds, brake calipers, steering knuckles, turbocharger components | The automotive sector demands precision casting parts with stable mechanical properties and high dimensional accuracy. Components such as gear housings and steering knuckles must withstand continuous dynamic loads, while exhaust manifolds and turbocharger components require strong heat resistance. Compared with conventional fabrication, precision casting allows complex internal passages and weight-optimized structures. Strict tolerance control reduces machining workload and improves assembly efficiency. Consistent batch quality is especially important for vehicle manufacturers, where even minor deviations can affect performance and safety. |
Construction & Engineering Machinery | Pump bodies, valve housings, hydraulic connectors, track components, structural brackets | Construction and engineering machinery operate in harsh environments involving heavy loads, vibration, and exposure to dust or moisture. Precision casting parts used in pump bodies and valve housings require strong structural integrity and wear resistance. Hydraulic connectors and brackets must maintain sealing performance under pressure. Compared with welded structures, precision casting offers better structural continuity and fewer stress concentration points. Stable alloy composition and controlled heat treatment improve durability, making cast components more reliable for long-term heavy-duty operation. |
Food Processing Machinery | Stainless steel impellers, valve bodies, pipe fittings, mixer arms, pump casings | Food processing equipment requires precision casting parts with corrosion resistance, smooth surface finish, and hygienic compliance. Stainless steel components such as impellers and valve bodies must resist chemical cleaning agents and moisture. Smooth casting surfaces reduce bacterial retention and simplify cleaning procedures. Compared with rough sand casting, investment casting provides better surface quality and tighter tolerances. Consistent dimensional accuracy ensures reliable sealing and alignment within automated processing lines, supporting stable food production efficiency. |
Energy & Power Industry | Turbine components, burner parts, flange connectors, pressure housings, coupling components | Energy and power systems require precision casting parts capable of handling high temperature, pressure, and rotational stress. Turbine components and burner parts must maintain structural stability under thermal cycling. Pressure housings and flange connectors demand accurate sealing surfaces to prevent leakage. Compared with machined-from-solid materials, precision casting allows more efficient material usage while maintaining strength. Strict chemical composition control and mechanical property testing are essential to ensure long service life in demanding operational environments. |
General Industrial Equipment | Machine bases, bearing seats, gearbox covers, mounting brackets, transmission components | General machinery relies on precision casting parts for structural support and motion transmission. Bearing seats and gearbox covers must maintain dimensional alignment to reduce vibration and wear. Mounting brackets and transmission components require consistent strength and geometric accuracy. Precision casting provides better repeatability for complex shapes compared with manual fabrication. Controlled cooling and machining refinement ensure reliable assembly compatibility, improving overall machine performance and reducing maintenance frequency across industrial production systems. |
Our Precision Casting Factory provides a wide range of surface treatment options, including mechanical, electrochemical, physical, electrostatic, and chemical methods. Each treatment enhances corrosion resistance, durability, or appearance according to customer requirements.
Treatment Type | Specific Methods | Detailed Description |
Mechanical | Sandblasting, Shot Peening, Grinding, Polishing, Buffing | Mechanical surface treatments involve physically modifying the part surface to improve smoothness, remove scale or rust, and enhance coating adhesion. Sandblasting cleans and slightly roughens surfaces for better paint or powder coating adherence. Shot peening strengthens metal surfaces by inducing compressive stress. Grinding and polishing remove irregularities, burrs, and surface defects, while buffing improves luster and uniformity. These methods are cost-effective and compatible with various alloys, preparing parts for further system-wide finishing. Mechanical treatments are essential for achieving consistent surface quality across multiple components. |
Electrochemical | Electro-galvanizing, Anodizing, Electropolishing, Chrome Plating, Nickel Plating | Electrochemical methods modify the metal surface by controlled electrical reactions. Electro-galvanizing applies a zinc layer for corrosion protection. Anodizing, mainly for aluminum, thickens the natural oxide layer, improving corrosion resistance and wear performance. Electropolishing smooths the microscopic surface, reducing roughness and removing impurities. Chrome and nickel plating add durable metallic coatings for wear resistance and aesthetic finish. These treatments allow precise thickness control, enhance longevity, and maintain dimensional accuracy. Electrochemical methods are widely applied in automotive, food, and general industrial parts where surface stability is critical. |
Physical | Sandblasting, Laser Texturing, Thermal Spraying, Plasma Coating, Flame Hardening | Physical surface treatments rely on mechanical or thermal energy to alter surface properties. Sandblasting or shot blasting removes debris and creates uniform texture. Laser texturing can improve adhesion or create functional patterns. Thermal spraying deposits metallic or ceramic coatings to enhance hardness and corrosion resistance. Plasma coating and flame hardening are applied to critical load-bearing areas to improve wear resistance. Physical treatments are generally environmentally friendly, cost-efficient, and adaptable for large or complex castings, providing baseline protection and preparing components for subsequent finishing processes. |
Electrostatic / Powder Coating | Powder Coating, Electrostatic Painting, Epoxy Coating, Polyester Coating, Polyurethane Coating | Electrostatic surface treatments involve applying charged powders or liquids that adhere uniformly to metal surfaces. Powder coating provides thick, durable, and corrosion-resistant layers. Epoxy coatings protect against chemicals and moisture, while polyester or polyurethane coatings offer UV resistance and aesthetic finish. The electrostatic process minimizes material waste and ensures uniform coverage, even on complex geometries. These treatments are ideal for system-level finishing, allowing customers to apply complementary coatings or color schemes. They provide excellent corrosion protection while maintaining mechanical properties of the casting. |
Chemical | Phosphating, Passivation, Acid Pickling, Oxidation, Degreasing | Chemical treatments change the surface composition to improve corrosion resistance, adhesion, and cleanliness. Phosphating creates a thin crystalline layer that improves paint adhesion. Passivation enhances stainless steel corrosion resistance by removing free iron from the surface. Acid pickling removes scale and oxidation after casting. Controlled oxidation can improve corrosion resistance for specific alloys. Degreasing ensures surfaces are free from oil or contaminants before finishing. Chemical methods are efficient, scalable, and compatible with diverse metals, providing a cost-effective way to prepare parts for protective coatings or system integration. |
A: We operate a fully equipped quality inspection center that covers chemical, mechanical, and dimensional testing. Every batch undergoes rigorous procedures, including in-process and final inspections. Our complete quality assurance system ensures that each Precision Casting Part meets customer specifications consistently, minimizing defects and ensuring long-term reliability in various applications.
A: Prices vary depending on multiple factors, including raw material type, dimensional tolerance, part size, surface treatment, and order quantity. Because we own our factories, we can provide real-time, accurate quotes based on your specific drawings and requirements, ensuring you receive competitive pricing without compromising quality or delivery.
A: Our pricing already reflects high-quality standards. To achieve better prices, consider larger order quantities, which allow us to distribute tooling, machining, and inspection costs across more parts. We also provide advice on process optimization and material selection to maximize efficiency while maintaining the required quality level.
A: Minimum order quantity depends on several factors, such as part size, material, complexity, and production process. You can send us your 2D or 3D drawings under a signed NDA, and we will carefully evaluate the requirements to provide the MOQ and suggest the most cost-efficient production approach.
A: Delivery depends on your project specifications, including part complexity, order quantity, and surface treatment requirements. Generally, production can be completed within approximately 30 days. For larger orders, efficiency improves, and the delivery cycle typically does not exceed 45 days, ensuring reliable timing for your production schedule.
A: We provide multiple surface treatment options through close partnerships with powder coating, galvanizing, anodizing, and other specialized treatment factories. Selection depends on material type, process compatibility, and application requirements. We analyze each part carefully to recommend the most suitable surface finish, balancing protection, durability, and cost-efficiency.
A: HULK Metal ships to over 50 countries across Europe, North America, South America, Africa, and Southeast Asia. We have experience handling international logistics, customs documentation, and packaging requirements, ensuring your Precision Casting Parts reach the destination safely and on time, regardless of location.
A: We can produce parts of various sizes, but dimensions must consider material, thickness, shape, and process complexity. By providing 2D or 3D drawings under NDA, we evaluate manufacturability, process selection, and tooling feasibility to confirm the size range we can reliably produce.
A: We support standard international payment methods such as LC and T/T. We also consider customized arrangements according to buyer requirements. Delivery terms can include FOB, CIF, DDP, or others based on destination, logistics preference, and project needs, ensuring flexible and secure trade agreements.
A: HULK Metal is a supplier with extensive factory resources, integrating manufacturing and technical services. Our team provides comprehensive support including engineering, procurement, production supervision, quality control, logistics, and foreign trade sales, enabling end-to-end Precision Casting Parts solutions with reliable quality and delivery.
A: You can get a quote in a shorter time by providing the following information at once:
1. 2D and 3D drawings of the Precision Casting Parts. If neither is available, samples can be provided.
2. Quantity.
3. Delivery Terms.
4. Material, surface treatment, tolerance, and weight. If no 3D drawing is available, please provide the following information:
Our professional technical team carefully studies every customer requirement, including material selection, dimensional tolerance, surface finish, and application environment. This deep understanding allows us to develop customized production solutions that balance manufacturability, cost, and performance. Compared with suppliers who provide one-size-fits-all solutions, our approach reduces errors and ensures parts meet functional and aesthetic expectations consistently.
HULK Metal leverages a tightly integrated supply chain consisting of trusted raw material suppliers, reliable processing factories, and logistics partners. This integration ensures that every component, from the alloy to finished parts, is traceable, stable, and delivered on time. A coordinated supply chain also allows rapid response to changes in order volume, production schedules, or material requirements, maintaining high-quality output across batches.
Our close partnerships with raw material factories allow us to procure high-quality metals at competitive prices. Every batch undergoes strict quality inspection to verify chemical composition, mechanical properties, and consistency. By controlling the material source, we reduce variability and prevent defects caused by substandard alloy, ensuring all precision casting parts have the required strength, corrosion resistance, and durability.
Production at HULK Metal follows well-defined procedures for melting, casting, molding, and machining. Operators adhere to standardized parameters for temperature, pouring, cooling, and handling, ensuring consistency in each part. Continuous monitoring of the process, combined with experienced supervision, minimizes defects and ensures dimensional accuracy. Strict production protocols allow our factory to maintain high-quality standards across small and large orders alike.
Every precision casting part undergoes multiple levels of quality inspection, including chemical analysis, mechanical testing, dimensional verification, and surface evaluation. Non-destructive testing is applied when required to detect hidden defects. Detailed records and batch traceability ensure that each component meets specifications. This layered inspection approach reduces the risk of defective parts reaching customers, providing confidence in product reliability.
We carefully package precision casting parts to protect them from damage during transit. Depending on part size, weight, and fragility, packaging may include wooden crates, cartons, individual wrapping, or customized inserts. Coordinated logistics ensure safe delivery by sea, air, or land. Proper packaging and reliable delivery prevent damage, maintain part integrity, and provide a smooth handover to the customer.
HULK Metal provides attentive after-sales support, allowing customers to verify the quality and quantity of received goods. Any part with quality issues is eligible for returns, exchanges, or restocking services. Our technical and service teams promptly address concerns, offering practical solutions and guidance. This commitment to post-delivery service reinforces trust, ensures customer satisfaction, and demonstrates our long-term dedication to product quality.
Choosing HULK Metal ensures high-quality precision casting parts with complete OEM support. Customers benefit from certified production standards, faster delivery, competitive pricing, and reliable after-sales service. Our integrated approach—from technical consultation and raw material sourcing to production, inspection, and logistics—provides consistent quality and efficiency. By combining advanced equipment, experienced engineers, and a well-developed supply chain, we help clients reduce risk, optimize costs, and achieve project success across multiple industrial applications.
HULK Metal provides a comprehensive range of services supporting precision casting production. These include technical consultation, mold design, sample development, CNC machining, surface finishing, quality inspection, packaging, and delivery coordination. Each service is integrated to ensure smooth workflow from prototype to mass production. Clients can rely on our team for material selection guidance, process optimization, and production troubleshooting. These related services complement casting operations, enabling consistent quality, shorter lead times, and cost-efficient solutions across various industrial applications.
HULK Metal has been integrating Chinese metal casting factory resources since 2000 and has built a complete supply chain to provide more excellent metal casting services. We strictly implement ISO 9001 quality management to deliver better metal castings. To date, we have delivered satisfactory goods to thousands of customers in more than 100 countries and regions around the world. We provide comprehensive after-sales service. Looking forward to your inquiry.
Lost foam casting is an innovative metal casting process that uses a foam pattern to create highly accurate and complex shapes with minimal machining. Ideal for ferrous and non-ferrous metals such as aluminum, cast iron, and steel, this method is widely applied in the automotive, machinery, and construction industries. At HULK Metal, our lost foam casting services combine advanced technology with experienced craftsmanship to deliver parts with excellent surface quality and dimensional consistency. Whether prototyping or mass production, we ensure efficiency, cost-effectiveness, and strict quality control.
HULK Metal provides high-quality die casting services for custom metal parts in aluminum, zinc, and magnesium alloys. We offer complete OEM/ODM support, including mold design, die casting, CNC machining, and surface treatment. Our services are ideal for applications requiring precision, strength, and high production efficiency. With a strong supply chain and strict quality control, we ensure you receive consistent, cost-effective parts—on time and ready to use.
HULK Metal provides expert investment casting services designed to deliver high-precision, complex metal parts for various industries. With extensive experience and integrated manufacturing capabilities, we offer one-stop OEM solutions from mold design to casting, machining, and inspection. Our investment casting foundries are equipped to handle a wide range of metals and alloys, supporting production of intricate shapes with excellent surface finishes. Whether you need parts for machinery, valves, pumps, or architectural systems, HULK Metal ensures fast delivery, strict quality control, and competitive prices. Partner with us to bring your custom metal part designs to life.
HULK Metal provides high-quality sand casting services that help global buyers turn drawings into durable metal parts. Whether you need complex geometries or large-volume production, we can offer the right solution. Our factories follow ISO 9001 standards, and our skilled team works closely with you throughout the process—from mold making to final machining. With advanced equipment and a strong supply chain, we deliver cost-effective, efficient, and accurate sand casting OEM/ODM services tailored to your specific industry needs.
Our precision casting product range includes components for automotive, machinery, energy, and food processing industries. Examples include gear housings, valve bodies, pump casings, turbine components, and structural brackets. Each product is manufactured according to exact specifications, ensuring high dimensional accuracy, material performance, and surface quality. Visual references, titles, and descriptions accompany each product to provide a clear understanding of applications and capabilities. These related products highlight our versatility in meeting diverse industrial casting requirements.
HULK Metal offers high-quality foot anchors designed for secure lifting of precast concrete elements. Our CE and ISO 9001 certified lifting pin anchors ensure a threefold safety factor, shorter production cycles, and prompt delivery.
HULK Metal has supplied tens of millions of Lifting Pin Anchors ranging from 1.3 tons to 32 tons to hundreds of buyers around the world. We have a full range of products and a complete supply chain to provide you with quality services. We provide quality assurance services. Please feel free to inquire.
HULK Metal manufactures lifting pin (dog bone) anchors with higher standards to meet demanding precast concrete lifting needs. We offer complete OEM solutions, from design and production to surface treatment and delivery, ensuring each anchor provides excellent strength, corrosion resistance, and compatibility with various lifting systems.
HULK Metal stands out as a leading manufacturer of lifting eye anchors, specializing in precast concrete lifting eye anchors that meet stringent CE certification with a 3 times safety factor.
Durable precast concrete double head lifting pin anchors from HULK Metal ensure secure lifting, higher safety factors, and corrosion resistance, meeting CE and ISO 9001 standards for demanding construction applications worldwide.
Durable, CE-certified spherical head lifting anchors from HULK Metal offer reliable load capacity and corrosion resistance, ensuring safe, efficient lifting for precast concrete projects with fast delivery and quality assurance.
Lifting Pins for Precast Concrete supplied by HULK Metal are CE certified. We can supply Lifting Pins that can pass the tensile test of 3 times the safety factor and strictly implement the IS0 9001 standard to provide high-quality services.
Short Wavy Tail Anchor is a compact, high-strength lifting solution for precast concrete elements. Its wavy rebar tail ensures even load distribution, prevents concrete cracking, and connects securely with threaded sockets or lifting inserts for safe, efficient operations.
Wavy tail anchor is made of high-performance steel pipe and rebar extrusion after bending. Its SWL range is between 0.5 and 8.0 tons. There are two thread standards, M and RD.
HULK Metal is a well-known supplier in China, providing high-quality and cost-effective Precast Lifting Thread Insert. With a complete supply chain and a professional team, we have provided flat end insert, solid rod insert, Tubular insert and others to global customers. We provide complete QA services. Looking Forward Your Inquiry.
HULK Metal is one of the high-quality Flat End Lifting Insert suppliers in China. In order to provide better services and products, we have integrated a complete supply chain. We strictly implement ISO 9001 management, and after years of development, we can now supply a full range of CE certified Flat End Lifting Insert.
Solid Rod Lifting Inserts supplied by HULK Metal have passed the CE certification. They can pass the tensile test with 3 times the safety factor. We strictly implement ISO 9001 standards to manage the entire supply chain to ensure that we can provide you with better Solid Rod Lifting Inserts and services.
Solid rod lifting and fixing sockets embed into precast concrete for secure threaded connections. Crafted from sturdy steel rods, one end features tapping for attachments, while the other includes a hole for rebar passage, enhancing structural integrity.
The combi lifting socket combines a lifting pin anchor and threaded socket, providing a strong, secure connection for lifting and handling precast concrete elements in construction and infrastructure projects.
HULK Metal's Flat End Fixing Socket with Cross Pin integrates a robust cross bar to improve load stability. Manufactured to CE and ISO 9001 standards, it ensures exceptional strength, corrosion resistance, and reliability for various precast concrete lifting applications.
Fixing sockets with bent ends, also known as fixing inserts with bent ends, is essential for anchoring in precast concrete. These sockets provide robust points for fixing elements, featuring a bent design that enhances grip and stability.
Tubular Lifting Insert supplied by HULK Metal has passed CE certification. Tubular Lifting Insert can pass the 3 times safety factor tensile test, and each batch of goods has a comprehensive test report.
HULK Metal can provide you with RD and M standard 12-45 thread, SWL 0.5 to 8.0tons of Long Wavy Lifting Insert. Its international general standard is CE, which needs to pass the 3 times safety factor tensile force test.
HULK Metal manufactures durable solid rod fixing sockets with cross pins and inserts with cross bars for precast concrete. CE and ISO 9001 certified, with high safety factors and quick delivery for bulk orders.
HULK Metal offers premium flat end lifting sockets designed for safe and efficient handling of precast concrete elements. Manufactured from high-strength alloy steel and certified to CE and ISO 9001 standards, these lifting inserts provide exceptional load capacity and corrosion resistance.
HULK Metal's tubular lifting sockets, made from high-grade steel or stainless steel, provide secure threaded connections in precast concrete. CE certified and precision manufactured, they ensure reliable lifting performance, excellent durability, and meet strict safety requirements for diverse construction applications.
The Long Wavy Lifting Socket combines a threaded steel pipe with a wavy-tail rebar to achieve deeper stress transfer in precast concrete. Designed for heavy-duty lifting, it meets CE and ISO 9001 standards and ensures a 4 times safety factor.
Q345/20#/Stainless steel/Others
Galvanized/Black
8~52
≥3
Flat plate lifting sockets embed into precast concrete for secure lifting points. The design includes a threaded end for clutch attachment and a broad base for load distribution, available in galvanized finishes for added durability.
Flat end fixing sockets, also known as flat end fixing inserts, anchor securely into precast concrete for fixing. Made from sturdy steel, they feature a flat end for easy installation and a threaded interior for bolts.
Plate spread anchors from HULK Metal feature a welded steel plate and head design, embedded in concrete for edge lifting. Available in various sizes with galvanized options, they support loads up to 10 tons safely.
Unilateral erection anchors serve as specialized lifting inserts for precast concrete, designed for one-sided loading during element erection. They integrate with ring clutches and recess formers, providing stable anchor points that enhance safety and reduce panel stress in construction applications.
HULK Metal supplies flat foot anchors crafted from premium alloys for secure lifting in precast concrete projects worldwide.
HULK Metal stands as a reliable erection anchor supplier in China, delivering high-standard products for precast concrete lifting. Our anchors ensure secure handling with superior strength and corrosion resistance, backed by comprehensive production support for bulk orders.
HULK Metal supplies CE and ISO9001 certified spread anchors with reliable safety factors, faster delivery, and professional support. Choose our spread anchors for superior quality and complete precast lifting solutions.
HULK Metal delivers high-quality two-hole anchors, designed for secure lifting of precast concrete elements. Certified with CE and ISO 9001, our anchors ensure safety, durability, and efficiency.
This page presents comprehensive information about precast concrete lifting clutches, including types, structure, materials, production processes, surface treatment options, applications, quality control standards, supplier selection guidance, and factory capabilities.
Ring Clutch supplied by HULK Metal is CE certified and can pass the tensile test with a safety factor of 5. We have integrated a complete supply chain and formed a complete team to provide better products and services.
HULK Metal's Precast Concrete Lifting Lugs, also known as Lifting Clutches or Lifting Eyes, are precision-engineered for heavy-duty lifting. Manufactured with high-strength materials, they ensure safety, durability, and efficiency in precast concrete lifting applications worldwide.
High-quality dog bone lifting eye with CE and ISO9001 certification. Strong, safe, and durable for precast concrete lifting. Shorter production cycle and faster delivery from trusted Chinese supplier HULK Metal.
HULK Metal supplies CE and ISO 9001 certified lifting clutch for pin anchor with 5 times safety factors, shorter production cycles, and complete after-sales support for global precast concrete projects.
Dog Bone Lifting Eye With Chain supplied by HULK Metal can pass the 5 times safety factor test and has been CE certified. We can provide 1.3 to 20 tons load groups.
Ring Clutch supplied by HULK Metal is CE certified and can pass the tensile test with a safety factor of 5. We have integrated a complete supply chain and formed a complete team to provide better products and services.
Precast Concrete Lifting Eyes supplied by HULK Metal has passed CE and ISO 9001 Certified and can passed 5 times safety factor testing. HULK Metal is an experienced manufacturer in China. Looking forward your inquire.
Q345/35CrMo/Others
Galvanized/Black/Powder-coat
1.3~32.0
≥5
Precision Casting
HULK Metal has a well-established supply chain to provide you with a full range of Clevis Slip Hooks, such as G43, G70, G80, CE marked, with latch or none, electro-galvanized, hot-dip galvanized or powder coated.
We have provided customers in more than 100 countries and regions around the world with Clevis Grab Hooks with strength standards such as G43 70 80 that can pass 2 to 4 Times Safety Factor detection.
HULK Metal is an experienced eye grab hooks supplier in China. We have integrated a complete supply chain and formed a professional team to provide better products and services. We can provide eye grab hooks with various specifications and surface treatments.
HULK Metal is an experienced supplier in China, providing Eye Slip Hooks in various materials, strengths, certifications, surface treatments and sizes. We have established a complete supply chain to ensure that raw materials, production and delivery are under control to provide higher quality and low-cost lifting hooks.
Anchor Recess is an essential component for positioning lifting anchors accurately in precast concrete elements. HULK Metal supplies Anchor Recess in multiple materials and configurations to match different lifting systems and production methods.
HULK Metal provides high-quality Rubber Recess Former for precast concrete lifting systems. They are used with Pin Anchor Recess Former and Spread Anchor Recess Former, ensuring precise recess shaping, shorter production cycles, and faster delivery.
HULK Metal supplies durable lifting pin anchor recess former for precast concrete elements, offering sizes from 1.3 to 32 tons with CE and ISO 9001 certification. Get shorter cycles and comprehensive support for bulk orders.
HULK Metal can provide a variety of precast magnetic formers. With higher quality and a more affordable price, it is your best choice.
The Spread Anchor Rubber Recess Former is made of durable rubber with a reinforced rear metal plate. It is designed for fixing spread anchors in precast concrete, ensuring accurate positioning, easy demolding, and reliable lifting performance.
As one of the excellent magnetic recess former suppliers in China, HULK Metal has advanced factories and perfect supply chain to provide you with high-quality products and services.
HULK Metal can provide CE-certified magnets for precast lifting and fixing inserts or sockets. Our factory has advanced machining equipment, laser cutting machines, and assembly lines, which can more efficiently complete CE-certified precast lifting fixing insert socket magnet with a higher pass rate.
HULK Metal's Electrical Box Fixed Magnets feature a durable rubber body combined with strong NdFeB magnets, ensuring reliable fixation of electrical boxes in precast concrete. These magnets are customizable in shape, size, and finish, providing flexibility for bulk orders.
Our Shuttering Magnets for Formwork are designed for precast concrete production, offering reusable and stable fixing solutions. They support different mold sizes and deliver better cost-efficiency for large-scale construction projects.
Our Embedded Corrugated Pipe Fixed Magnet combines premium steel housing with powerful magnets to ensure strong fixation during precast concrete production. It reduces installation time, improves efficiency, and provides consistent performance across different applications, helping customers achieve safer and more reliable concrete elements.
Steel Embed Plates are essential components used to create strong, reliable connection points within precast concrete structures. As an experienced manufacturer in China, HULK Metal supplies Concrete Embed Plates with stable quality, flexible customization, and consistent production capacity.
Cast In Channel T Bolts from HULK Metal are precision-forged using high-performance alloy steel or stainless steel. Surface treatments, including electro-galvanizing or hot-dip galvanizing, enhance rust resistance, making them reliable for precast concrete connections in construction and infrastructure projects.
HALFEN Anchor Channels from HULK Metal offer superior quality, CE and ISO certified standards, and five times safety factor. Our fast production and delivery, combined with professional after-sales support, make bulk purchasing simple and reliable.
Name Wire Loop Box Precast Concrete Accessories
Molds Full Range Moulds
Materials Wire Rope / Steel Plate / Customized
SL(mm)±10 60 / 80 / 100 / 120 /140
Our Cast in Channel offers superior strength, certified safety, and flexible application for precast construction. Manufactured with advanced processes, it guarantees durability, easier installation, and faster delivery. HULK Metal supports bulk buyers with full technical service and reliable after-sales support.
Our concrete screw bolts are designed for reliable installation without expansion anchors. Galvanized concrete screws provide superior corrosion resistance, making them ideal for indoor and outdoor use. HULK Metal offers diverse sizes, surface treatments, and customized solutions to match your needs.
Q345/20#/Stainless steel/Others
Galvanized
0.8~25.0
6~32
≥3
HULK Metal lifting loops are made from alloy or carbon steel, precision-threaded, and electro-galvanized for corrosion resistance. Designed for use with lifting sockets, they ensure safe, reliable handling of precast concrete components with a ≥4 safety factor.
Our handrail bracket structural pipe fittings have multi-type surface treatments to prevent corrosion, precise dimensions, and a strong load-bearing capacity. They provide a longer service life and a more secure installation, making them perfect for outdoor safety rails, balconies, and staircases.
The Internal Swivel Tee Structural Pipe Fitting allows a 360 deg rotation around the connection point, making it ideal for angled rail systems. Manufactured from malleable iron or ductile iron with multiple finish options, it provides stronger performance and longer service life.
The Three Socket Angle Tee Structural Pipe Fitting is an essential component for angled guardrails and handrails. It connects two top rails to an upright post with adjustable angles from 0 to 11 degrees, ensuring both safety and flexibility.
The Slope Short Tee is specially designed for guardrail and handrail systems with slopes from 0 to 11 degrees. Its internal socket allows for the precise adjustment and secure fixing of uprights using hex bolts.
HULK Metal supplies base flange structural pipe fittings made of durable materials with multiple surface finishes. They are designed for stronger pipe connections and longer service life. Our modern factory, professional team, and strict inspection ensure higher-standard products for your projects.
HULK Metal manufactures high-standard railing base flange structural pipe fittings with ISO 9001 certification. Our fittings feature precise dimensions, reliable strength, and multiple surface treatments, ensuring durability and excellent performance in both indoor and outdoor applications for handrail and guardrail systems.
The Short Swivel Tee Structural Pipe Fitting is widely used in handrail and guardrail systems where angled connections are required. Manufactured by HULK Metal with strict ISO 9001 standards, it offers strength, flexibility, and long service life.
Malleable Iron/Ductile Iron/Customizable
Galvanized/Powder-coat/Customizable
TUBE SIZE(mm)
26.9
33.7
42.4
48.3
60.3
33.7/26.9
Customizable
The Swivel Base Flange is engineered to secure pipes to walls with adjustable angles from 0° to 180°. Its modular design ensures easy assembly, reliable stability, and compatibility with multiple pipe sizes and materials.
The Corner Swivel Combination structural pipe fitting is designed to connect pipes set at right angles across perpendicular planes.
The Add on Crossover, also known as Split Crossover, is designed for adding a perpendicular pipe to an already installed system. Its split-sleeve structure makes installation easy without dismantling existing pipes.
The 90 Degree Two Way Elbow structural pipe fitting is designed for connecting two pipe ends at a right angle. It is commonly applied in handrail, guardrail, and fence systems, ensuring strong and stable joints.
Our Four Socket Cross Structural Pipe Fitting comes in various sizes and surface treatments to suit different projects. Made from malleable iron or ductile iron and customizable on request, these fittings are durable and corrosion-resistant.
Clamp on Crossover Structural Pipe Fittings are designed to create perpendicular connections between pipes without requiring dismantling of existing structures. They feature a strong clamping design that ensures tight, gap-free joints.
The Offset Crossover Structural Pipe Fitting is designed to connect two pipes securely in an offset crossing structure. It allows builders to easily create strong and stable frameworks while maintaining flexibility for different structural needs.
The 90 Degree Two Socket Tee offers two perpendicular sockets for secure pipe connections. It is engineered to provide precise alignment and exceptional strength in guardrails, handrails, fencing, and DIY structures.
Three Socket Cross Structural Pipe Fittings connect vertical uprights with three perpendicular horizontal pipes, offering robust support for fencing, storage racks, and DIY systems. Their versatile design allows easy installation and configuration, ensuring durability and stability in multiple applications.
HULK Metal's Clamp on Tee Structural Pipe Fittings are engineered for secure, easy installation on existing systems. Made from high-quality malleable or ductile iron, they support durable, stable connections for guardrails, handrails, and DIY structures.
Two Socket Cross Structural Pipe Fittings are designed to connect upright pipes with two perpendicular pipes in the same plane. Manufactured from high-quality cast iron, stainless steel, or aluminum, these fittings undergo strict inspection and advanced surface treatment
Malleable Iron/Ductile Iron/Customizable
Galvanized/Powder-coat/Customizable
TUBE SIZE(mm)
26.9
33.7
42.4
48.3
Customizable
HULK Metal manufactures high-quality Three Socket Tee (Long Tee) Structural Pipe Fittings that combine strength, precision, and reliability. Made from malleable or ductile iron with customizable finishes such as galvanizing or powder coating, these fittings are ideal for both industrial and DIY applications.
The side outlet elbow, also called a 3-way elbow, is designed to connect three pipes at 90° angles. It provides strength and stability in guardrails, handrails, and cube-like structures.
HULK Metal's Variable Swivel Elbow is engineered for versatile pipe-joining applications. With angles ranging from 73° to 287°, it provides maximum flexibility for complex structures.
HULK Metal's Reducing Short Tee Structural Pipe Fitting is engineered to provide a secure vertical pipe connection with different diameters, ideal for mid-rails or guardrail top rails.
The Single Socket Tee Structural Pipe Fitting, also known as Short Tee, is widely used in railing systems, guardrails, and DIY structures. It allows one pipe to connect securely at a right angle to another, forming a stable "T" connection.
The Single Lugged Bracket Structural Pipe Fitting is a reliable solution for fixing pipes onto walls or panels where limited space prevents double lug use.
The Vertical Railing Side Support Structural Pipe Fitting is designed to provide strong and stable support for railing systems. Manufactured with malleable iron or ductile iron, and available in multiple surface treatments such as hot-dip galvanizing or powder coating, these fittings ensure long-term durability.
The Cradle Clamp Structural Pipe Fitting is designed to fasten pipe rails securely to uprights. Its open clamp structure allows quick installation, while inner hex bolts ensure reliable stability.
Horizontal Railing Side Support Structural Pipe Fittings are designed to fasten railing uprights firmly against walls or side structures.
The Adjustable Short Tee is engineered to connect pipes at variable angles from 30 deg to 60 deg. Its durable structure, simple installation, and flexible design make it suitable for guardrail and handrail systems.
The Single Swivel Combination is formed by joining two swivel fittings, making it ideal for environments requiring flexible angle adjustments. While it cannot independently bear lateral loads, it becomes effective when used together with other fittings.
The Add on Short Tee Structural Pipe Fitting is a hinged socket fitting that allows vertical connections to existing pipe systems without dismantling.
HULK Metal Variable Elbow Structural Pipe Fitting is designed to create secure and adjustable angled connections between pipes. With a strong structure and reliable locking bolts, it delivers stability and precision.
HULK Metal Adjustable Angle Two Socket Cross Structural Pipe Fitting provides a strong and flexible connection between uprights and rails. Designed for rail systems with slopes from 45° to 90°, it is widely used in stairways, handrails, and ramps.
The Galv Ground Socket Structural Pipe Fitting is designed to provide secure support for uprights in diverse ground conditions. Made of high-strength malleable or ductile iron, it ensures long-term stability and durability.
The Side Palm Fixing Structural Pipe Fitting is engineered to provide a solid and secure connection for railing uprights against walls, stairs, or ramps. Its three-lug design with reinforced sockets improves stability and load capacity.
The Double Lugged Bracket Structural Pipe Fitting is engineered to mount pipes flush against flat walls or panels. Featuring two lugs with fixing holes, it supports various screw or chemical fixing methods. Its socket with hex bolts firmly secures the pipe in place.
The Double Male Swivel Structural Pipe Fitting is designed for flexible joint connections and works seamlessly with single swivel female parts to form a stable structure.
Malleable Iron/Ductile Iron/Customizable
Galvanized/Powder-coat/Customizable
TUBE SIZE(mm)
26.9
33.7
42.4
48.3
60.3
Customizable
Hook structural pipe fittings provide temporary mounting points on pipes. Designed for horizontal and vertical installation, they ensure user safety with rounded heads and secure locking via hex bolts. This solution is suitable only for incomplete systems.
The slope railing base flange pipe fitting is designed to secure inclined uprights to the ground with adjustable angles. Manufactured with strict quality control, it offers multiple surface treatments, ensuring strength, corrosion resistance, and suitability for diverse railing and structural applications.
Our gate hinge pipe fittings combine robust materials with precision casting to create dependable connections for gates. With multiple surface treatments and sizes available, they meet diverse installation requirements, deliver excellent corrosion resistance, and provide a secure, smooth rotational function.
Gate Eye Pipe Fittings provide a reliable hinge connection for gates and handrail systems. Made from strong cast iron or flexible ductile iron, they come with different surface finishes, providing great performance, a longer lifespan, and making them suitable for many construction and industrial uses.
No. 101 galvanized pipe handrail fittings are used to connect two pipes into a "T" shape. It is also called a Pipe Clamp Short Tee. One pipe is inserted into the socket, and the other one passes through the channel above.
101 Reducing Short Tee Galvanized Pipe Railing Fittings are often used. HULK Metal is a well-known supplier in China. We look forward to your inquiry.
104 galvanized slip-on pipe fittings long tee can be used to add two horizontal pipes to the guardrail or handrail uprights, or to connect two pipes in a DIY structure and add a vertical pipe to them.
104 galvanized slip-on pipe fittings long tee can be used to add two horizontal pipes to the guardrail or handrail uprights, or to connect two pipes in a DIY structure and add a vertical pipe to them.
116A Galvanized Pipe Guardrail Fittings Add On Side-outlet Tee is used to add two perpendicular rails to an already assembled handrail or guardrail uprights, or to add two perpendicular pipes to an assembled DIY structure such as a cube or cuboid.
119 Galvanized Safety Railing Fittings Two Socket Cross is used to add two pipes on the same plane to form a cross structure for a specific position of a pipe.
We integrated a complete supply chain, passed ISO 9001 certification, formed a professional technical team and produced a full range models of the galvanized pipe connector fittings to provide the best services and products. Looking forward your inquiry.
The 119A Galvanized Railing Connectors Add-on Two Socket Cross is different from the 119 type in that it can add two pipes to an already completed system.
123 Galvanized Railing Fittings 40 to 70 Elbow is very easy to use and can be used in any scenario where two pipes need to be connected at an angle of 40 degree to 70 degree. We have a complete supply chain and provide QA services.
124 type Galvanized Key Clamp Fitting uses 3 types of hot-dip galvanizing, double coating, and powder coating. We can provide 33.7mm, 42.4mm and 48.3mm diameters. We integrate a complete supply chain and a professional team to provide better products and services. Looking forward to your inquiry.
We can provide 21.3 mm to 60.3 mm size, that is, 1/2" to 2". We have a full range of molds, can complete each order faster.
Safety rail fittings are slip-on pipe fittings for safety railings. They can be quickly installed to complete a system, are easy to operate, and have a longer life and better performance. The 125R reducing 90-degree elbow is a special and uncommon fitting used to connect two pipes of different thicknesses.
Aluminum Die Casting Parts are widely used for structural and functional components requiring strength, accuracy, and clean surfaces.
Sand Casting Parts are widely used for producing durable metal components with complex shapes and stable performance. As an experienced Sand Casting Parts manufacturer, HULK Metal provides Custom Sand Casting Parts and OEM Sand Casting Parts based strictly on customer drawings.
Name Aluminum Die Casting TV Brackets
Manufacturing According to Drawings
Materials Al-Mg Alloy / Al-Zn Alloy / Al-Si Alloy / Customized
Surface Anodized / Passivated / Polished / Powder Coating / Brushed / Customized
Name Aluminum Die Casting Seat Brackets
Manufacturing According to Drawings
Materials Al-Mg Alloy / Al-Zn Alloy / Al-Si Alloy / Customized
Surface Anodized / Passivated / Polished / Powder Coating / Brushed / Customized
Name Aluminum Die Casting Pump Covers
Manufacturing According to Drawings
Materials Al-Mg Alloy / Al-Zn Alloy / Al-Si Alloy / Customized
Surface Anodized / Passivated / Polished / Powder Coating / Brushed / Customized
Name Aluminum Die Casting PC Bracket
Manufacturing According to Drawings
Materials Al-Mg Alloy / Al-Zn Alloy / Al-Si Alloy / Customized
Surface Anodized / Passivated / Polished / Powder Coating / Brushed / Customized
Name Aluminum Die Casting Motorcycle Accessories
Manufacturing According to Drawings
CNC Machining Turning, Milling, Planing, Drilling, Grinding, Drilling, Boring
Materials Al-Mg Alloy / Al-Zn Alloy / Al-Si Alloy / Customized
Name Aluminum Die Casting Motor Fan
Manufacturing According to Drawings
Materials Al-Mg Alloy / Al-Zn Alloy / Al-Si Alloy / Customized
Surface Anodized / Passivated / Polished / Powder Coating / Brushed / Customized
Name Aluminum Die Casting LED Light Heat Sink
Manufacturing According to Drawings
Materials Al-Mg Alloy / Al-Zn Alloy / Al-Si Alloy / Customized
Surface Anodized / Passivated / Polished / Powder Coating / Brushed / Customized
Name Aluminum Die Casting LED Light Cover
Manufacturing According to Drawings
Materials Al-Mg Alloy / Al-Zn Alloy / Al-Si Alloy / Customized
Surface Anodized / Passivated / Polished / Powder Coating / Brushed / Customized
A Die Casting Junction Box made from aluminum offers reliable protection, precise structure, and stable performance for electrical systems.
HULK Metal offers premium Aluminum Die Casting Heatsinks through a fully integrated OEM process, including die casting, CNC machining, surface treatment, and quality inspection.
Name Aluminum Die Casting Connectors
Manufacturing According to Drawings
Materials Al-Mg Alloy / Al-Zn Alloy / Al-Si Alloy / Customized
Surface Anodized / Passivated / Polished / Powder Coating / Brushed / Customized
Name Aluminum Die Casting Bicycle Accessories
Manufacturing According to Drawings
Materials Al-Mg Alloy / Al-Zn Alloy / Al-Si Alloy / Customized
Surface Anodized / Passivated / Polished / Powder Coating / Brushed / Customized
Steel Casting Parts are widely used for load-bearing and structural components requiring strength, durability, and dimensional stability.
Name Aluminum Die Casting Auto Accessories
Manufacturing According to Drawings
Materials Al-Mg Alloy / Al-Zn Alloy / Al-Si Alloy / Customized
Surface Anodized / Passivated / Polished / Powder Coating / Brushed / Customized
Name Aluminum Die Casting Accessories
Manufacturing According to Drawings
Materials Al-Mg Alloy / Al-Zn Alloy / Al-Si Alloy / Customized
Surface Anodized / Passivated / Polished / Powder Coating / Brushed / Customized
Aluminum Alloy 6063 / Customized
Profile Extrusion / Cutting / Deburring / CNC Process / Customized
Air conditioner / Frequency Converter / Communication Base Station / Computer / Electric Equipment / Customized
CE / ISO / RoHS / SGS / Customized
Anodizing / Sand Blasting / Painting / Chormating / Customized
Trademark printing / wooden box / plastic box / foam box / air film / Customized
Die Cast Aluminum Enclosures are widely used to protect electronic and industrial components in demanding environments.
We manufacture bike parts strictly according to customer drawings, covering drivetrain, braking, wheel, and structural components. Our OEM service integrates casting, CNC machining, surface treatment, packaging, and logistics under one managed process.
Name Aluminum Die Casting Washing Machine Bracket
Manufacturing According to Drawings
Materials Al-Mg Alloy / Al-Zn Alloy / Al-Si Alloy / Customized
Surface Anodized / Passivated / Polished / Powder Coating / Brushed / Customized
HULK Metal provides OEM Precision Die Casting Parts with full technical support, strict quality control, and reliable production.
HULK Metal delivers high-quality OEM casting aluminum brackets made to your exact drawings, using die casting, sand casting, or investment casting.
HULK Metal provides comprehensive Aluminium Die Casting Auto Parts solutions, covering engine, transmission, chassis, and electronic components. We meticulously manage every stage, from mold design, die casting, CNC machining, and surface treatment, to strict quality control, packaging, and delivery.
HULK Metal has provided excellent Agricultural Machinery Casting services to hundreds of customers worldwide.
HULK Metal supplies Automobile Casting Components for global automotive manufacturers and bulk buyers seeking reliable OEM partners in China. With ISO 9001 certified factories and mature casting experience, we produce Automobile Casting Parts strictly according to drawings.
HULK Metal specializes in OEM/ODM casting of Custom Flail Mower Hammer Blades. With an ISO 9001-certified factory, advanced foundry capabilities, and end-to-end quality control, we deliver wear-resistant, dimensionally accurate blades tailored to your machinery.
Aluminum Alloy 6063 / Customized
Profile Extrusion / Cutting / Deburring / CNC Process / Customized
Air conditioner / Frequency Converter / Communication Base Station / Computer / Electric Equipment / Customized
CE / ISO / RoHS / SGS / Customized
Anodizing / Sand Blasting / Painting / Chormating / Customized
Trademark printing / wooden box / plastic box / foam box / air film / Customized
Die Casting Engine Parts are widely used in automotive and industrial power systems where strength, accuracy, and heat dissipation matter.
HULK Metal is a trusted manufacturer of Custom Sickle Guards Casting, serving bulk buyers worldwide. Our ISO 9001-certified foundry delivers high-precision sickle guards in ductile iron, grey iron, or cast steel—tailored to your drawings.
HULK Metal delivers precise and durable Water Glass Sand Casting components for industrial and OEM applications. Combining advanced factories, CNC machining, comprehensive surface treatments, and rigorous quality control, we ensure reliable production and timely delivery.
Our Stainless Steel Castings are produced for demanding industrial applications where strength, corrosion resistance, and consistency matter. As an OEM-focused supplier, we manufacture strictly according to your drawings using sand casting, investment casting, or lost foam casting.
Resin sand casting is widely used for medium and large metal parts requiring good surface finish and stable structure.
HULK Metal provides professional reducer housing casting services, offering horizontal, vertical, integral, and split designs. Our complete OEM solutions include casting, CNC machining, surface treatment, quality inspection, packaging, and global delivery.
Name Precision Casting Castings
Manufacturing Methods Manufacturing According to Drawings
Materials Cast Iron / Aluminum / Stainless Steel / Carbon Steel / Gray Iron / Customized
Process Investment Casting / Ceramic Mold Casting / Metal Mold Casting, Die Casting, Lost Foam Casting
Surface Treatment Sandblasting / Shot Blasting / Powder Coating / Customized
Test Content & Data 1. Chemical composition; 2. Mechanical properties; 3. Metallographic inspection; 4. Inspection of appearance, size, shape, and position tolerance; 5. Surface roughness;
HULK Metal operates as a trusted Casting Motorcycle Parts manufacturer in China, specializing in aluminum die casting and sand casting motorcycle parts. Backed by ISO 9001 standards, our factories deliver precision OEM components tailored to your drawings.
Lost wax casting is ideal for producing complex metal parts with smooth surfaces and tight tolerances. As an experienced lost wax casting foundry in China, HULK Metal provides reliable OEM services based on your drawings.
HULK Metal provides comprehensive lost foam casting solutions for OEM projects, covering mold design, casting, CNC machining, surface treatment, and quality inspection.
Investment casting produces complex metal parts with smooth surfaces and tight tolerances through a precise lost wax process.
HULK Metal delivers ISO 9001-certified grey iron casting services with precision, durability, and cost efficiency.
HULK Metal has provided excellent metal casting services to hundreds of ductile iron casting parts purchasers around the world. More than 20 industries, including automobile manufacturing, machinery manufacturing, home appliance manufacturing, construction, agriculture, and energy, have used our products.
HULK Metal delivers high-quality custom cast iron drain pipe fittings through ISO 9001-certified factories. Our experienced team ensures precise production from drawings, rigorous quality control, and timely delivery.
You will get higher quality Centrifugal Casting Castings. HULK Metal has an advanced centrifugal casting production line that can produce cast iron, gray iron, ductile iron, stainless steel, high manganese steel and other raw materials.
HULK Metal has provided excellent metal casting services to hundreds of Cast Iron Casting parts purchasers around the world. Our products have been used in more than 20 industries, such as automobile manufacturing, machinery manufacturing, home appliance manufacturing, construction industry, etc.
Precision forging is a near-net-shape manufacturing process that creates high-strength components with superior mechanical properties. At HULK Metal, our OEM services integrate advanced hot and cold die forging with precision CNC machining.
HULK Metal provides a comprehensive OEM solution for high-precision forged steel parts, integrating advanced hot and cold forging factories with elite 5-axis CNC machining.
Description HULK Metal provides a vertically integrated manufacturing solution for Motorcycle Forged Parts, specializing in high-strength components like crankshafts, connecting rods, and triple clamps.
Mining environments demand components with exceptional wear resistance. HULK Metal manufactures custom mining forged parts using premium carbon and alloy steels.
ISO 9001-certified metal forging factory. The technical team supports every phase—from print review to process optimization. Faster turnaround without sacrificing accuracy. Full QA with returns/rework guarantee.
Forged gear blanks provide higher strength, better grain flow, and improved fatigue resistance compared with cut gears.
Forging small parts are widely used where strength, consistency, and tight tolerances matter. HULK Metal provides OEM services for custom forging small parts based on drawings or samples.
HULK Metal provides premium forged flanges manufactured with hot die forging and precise CNC machining. Our services cover raw material selection, surface treatment, strict quality inspection, and timely delivery.
Custom forged parts from HULK Metal offer superior strength, reliability, and performance across industries like automotive, construction, and energy. Using advanced forging techniques and a comprehensive quality control system, we provide parts made to your exact specifications.
Closed die forged parts are produced by shaping heated metal within precision dies, delivering higher strength, consistent grain flow, and tight tolerances.
HULK Metal’s forged components include manufacturing processes, materials, surface treatments, and quality control measures. From automotive to industrial applications, our forged components deliver superior performance and reliability
Manufacturing According to Drawings
Process Casting / Forging / Stamping
CNC Machining Turning, Milling, Planing, Drilling, Grinding, Drilling, Boring
Materials 304 / 316L / Aluminum Alloy / Customized
Manufacturing According to Drawings
Process Casting / Forging / Stamping
CNC Machining Turning, Milling, Planing, Drilling, Grinding, Drilling, Boring
Materials Carbon Steel / ND Steel / Stainless Steel / Aluminum Alloy / Customized
Manufacturing According to Drawings
Process Casting / Hot Forging
CNC Machining Turning, Milling, Planing, Drilling, Grinding, Drilling, Boring
Materials Carbon Steel / ND Steel / Stainless Steel / Aluminum Alloy / Customized
HULK Metal specialises in high-quality forged stainless steel parts and offers comprehensive OEM services. As a certified ISO 9001 factory in China, we ensure strict quality control, competitive pricing, and rapid order turnaround.
Name Motorcycle Parts Forging Parts
Manufacturing Methods Manufacturing According to Drawings
Materials Carbon Steel / Alloy Steel / Stainless Steel / Aluminum / Customized
Process Hot Forging / Cold Forging / Free Forging / Mold Forging / CNC Machining / Rilling Forging / Die Forging / Customized
Manufacturing According to Drawings
Process Hot Forging / Die Forging / Custom
CNC Machining Turning, Milling, Planing, Drilling, Grinding, Drilling, Boring
Materials Carbon Steel / ND Steel / Stainless Steel / Aluminum Alloy / Customized
Name Motorcycle Accessories Forging Parts
Manufacturing Methods Manufacturing According to Drawings
Materials Carbon Steel / Alloy Steel / Stainless Steel / Aluminum / Customized
Process Hot Forging / Cold Forging / Free Forging / Mold Forging / CNC Machining / Rilling Forging / Die Forging / Customized
Name Mining Machinery Forging Parts
Manufacturing Methods Manufacturing According to Drawings
Materials Carbon Steel / Alloy Steel / Stainless Steel / Customized
Process Hot Forging / Cold Forging / Free Forging / Mold Forging / CNC Machining / Die Forging / Customized
Custom hot forging parts are produced through controlled heating, precision die forging, machining, inspection, and delivery. HULK Metal supports OEM projects based on drawings, combining experienced technical teams, coordinated factories, and ISO 9001 management.
Name Cold Forging Parts
Manufacturing Methods Manufacturing According to Drawings
Materials 20Cr Steel / 20CrMo Steel / 20CrMnTi Steel /Aluminum / Aluminum Alloy / Customized
Process Cold Forging
Carbon Steel Forged Parts are widely used in applications where strength, durability, and dimensional stability are important. HULK Metal supplies Custom Carbon Steel Forged Parts through full OEM services, from drawing review, forging, machining, surface treatment to delivery.
Name Bicycle Accessories Forging Parts
Manufacturing Methods Manufacturing According to Drawings
Materials Carbon Steel / Alloy Steel / Stainless Steel / Aluminum / Customized
Process Hot Forging / Cold Forging / Free Forging / Mold Forging / CNC Machining / Rilling Forging / Die Forging / Customized
Name Auto Parts Forging Parts
Manufacturing Methods Manufacturing According to Drawings
Materials Carbon Steel / Alloy Steel / Stainless Steel / Aluminum / Customized
Process Hot Forging / Cold Forging / Free Forging / Mold Forging / CNC Machining / Rilling Forging / Die Forging / Customized
Name Auto Accessories Forging Parts
Manufacturing Methods Manufacturing According to Drawings
Materials Carbon Steel / Alloy Steel / Stainless Steel / Aluminum / Customized
Process Hot Forging / Cold Forging / Free Forging / Mold Forging / CNC Machining / Rilling Forging / Die Forging / Customized
Name Alloy Steel Forging Parts
Manufacturing Methods Manufacturing According to Drawings
Materials Alloy Steel
Process Hot Forging / Free Forging / Mold Forging / CNC Machining / Rilling Forging / Die Forging / Customized
Name Agricultural Machinery Accessories Forging Parts
Manufacturing Methods Manufacturing According to Drawings
Materials Carbon Steel / Alloy Steel / Stainless Steel / Customized
Process Hot Forging / Free Forging / Mold Forging / CNC Machining / Customized
HULK Metal is a manufacturer of sheet metal stamping parts in China. We have advanced stamping equipment, experienced workers, and perfect after-sales service to complete higher-quality orders faster at a lower price.
HULK Metal is committed to providing high-quality sheet metal automotive parts OEM services to customers around the world. We have a complete supply chain to provide you with better OEM services.
HULK Metal has developed over 16 years to become an experienced metal stamping manufacturer. We can manufacture higher quality steel metal stamping parts from carbon steel, stainless steel, and alloy steel. We have a complete quality control system.
HULK Metal has provided excellent metal stamping services to hundreds of stainless steel metal stamping parts purchasers around the world. Our products have been used in more than 20 industries, such as automobile manufacturing, machinery manufacturing, home appliance manufacturing, construction industry, etc.
HULK Metal is a professional manufacturer of home appliance metal stamping parts that has provided metal stamping services for the home appliance manufacturing industry for over 16 years.
Aluminum Alloy 6063 / Customized
Profile Extrusion / Cutting / Deburring / CNC Process / Customized
Air conditioner / Frequency Converter / Communication Base Station / Computer / Electric Equipment / Customized
CE / ISO / RoHS / SGS / Customized
Anodizing / Sand Blasting / Painting / Chormating / Customized
Trademark printing / wooden box / plastic box / foam box / air film / Customized
As a metal stamping service supplier with a strong production capacity, HULK Metal has 5 sets of stamping machines with a capacity of 315 tons, 5 sets of 200 tons capacity, 5 sets of 80 tons capacity and 5 sets of 60 tons capacity. We can provide customized manufacturing services for copper metal stamping parts of 0.1mm~10mm. Products can be certified by CE, SGS, GB, and other standards.
HULK Metal has 20 precision stamping machines that can process precision metal stamping parts from 0.05mm to 5mm. Our quality inspection team will strictly test the performance and parameters of the product to ensure that the quality of the product can meet your requirements.
HULK Metal has provided excellent metal stamping services for more than 20 industries such as automobiles, home appliances, machinery, and other manufacturing or construction industries.
HULK Metal has an experienced technical team that can customize complete custom stamping parts OEM solutions. We can supply products certified by CE, SGS, etc. and comprehensive services such as shipping and after-sales. You can buy metal stamping parts you want more easily at HULK Metal.
HULK Metal provides Custom Construction Metal Stamping Services for bulk buyers who demand precision, strength, and consistency.
HULK Metal is a professional manufacturer of metal stamping parts. Our factory has more automated stamping machines and advanced product quality inspection instruments so that we can complete higher quality carbon steel metal stamping parts faster.
HULK Metal provides professional brass metal stamping services with full-process technical support and production capacity. We specialize in manufacturing custom brass metal stamping parts that meet CE, GB, and SGS standards.
HULK Metal's factory has 20 stamping machines, 10 CNC machines, and perfect-quality inspection instruments. We can provide complete OEM services for metal stamping parts. We can manufacture metal stamping parts in automobiles, construction, household appliances, and other industries with copper, steel, and aluminum as raw materials.
HULK Metal is a professional Auto Accessories Metal Stamping Parts manufacturer with over 16 years of experience. We have a complete supply chain to supply you with complete metal stamping OEM services.
HULK Metal has been engaged in the manufacture of Aluminum Sheet Metal Stamping Parts for many years. We focus more on the needs of our customers and develop complete production solutions accordingly.
HULK Metal has been engaged in the stamping service of aluminum metal parts since the second half of the 20th century. Up to now, HULK Metal has been able to produce metal stamping parts with a thickness of 0.1mm~2mm using 1000~7000 aluminum alloy plates as raw materials.
HULK Metal provides high-precision CNC machining services for parts made from steel, stainless steel, aluminum, and alloys.
HULK Metal provides high-quality Aluminum CNC Machining Parts, combining advanced multi-axis CNC machining, precise surface treatments, and strict quality control.
Aluminum Alloy 6063 / Customized
Profile Extrusion / Cutting / Deburring / CNC Process / Customized
Air conditioner / Frequency Converter / Communication Base Station / Computer / Electric Equipment / Customized
CE / ISO / RoHS / SGS / Customized
Anodizing / Sand Blasting / Painting / Chormating / Customized
Trademark printing / wooden box / plastic box / foam box / air film / Customized
HULK Metal delivers high-precision CNC auto parts through ISO 9001-certified factories in China, offering full OEM machining services—from design review and material sourcing to surface treatment, rigorous inspection, and global delivery.
Name CNC Machining Aluminum Die Casting Parts
Manufacturing According to Drawings
Materials Al-Mg Alloy / Al-Zn Alloy / Al-Si Alloy / Customized
Surface Anodized / Passivated / Polished / Powder Coating / Brushed / Customized
Precision Machining for Agricultural Parts requires stable accuracy, durable materials, and consistent production control. HULK Metal provides Agricultural Sector Parts Machining Services based on customer drawings, covering turning, milling, drilling, and finishing.
Precision bicycle part machining demands tight tolerances, lightweight strength, and flawless surface finishes—exactly what HULK Metal delivers.
HULK Metal delivers precision custom flange machining based on your drawings, using advanced 3-, 4-, and 5-axis CNC equipment in ISO 9001-certified factories.
Ductile Iron / Stainless Steel / Gray Iron / Cast Steel / Customized
+/-0.01mm
CT9
Casting / CNC / Customized
≥1.6Mpa, ≤6.4Mpa
Painting / Plating / Polishing / Customized
Anti-collision / Brand Logo / Customized
CB / CE / URV / Customized
Sewage Pump Impellers
Manufacturing According to Drawings
QT (Ductile Iron) HT (Grey Cast Iron) Cast Steel (ZG25)
Gray cast iron, ductile iron pump impellers: 1. Resin sand casting; 2. Lost foam casting; 3. Coated sand casting;
Cast steel pump impellers: precision casting, lost wax casting.
Powder spraying, Painting
Sewage Pump Housing
Manufacturing According to Drawings
QT (Ductile Iron) HT (Grey Cast Iron) Cast Steel (ZG25)
Gray cast iron, ductile iron Sewage Pump Housing: 1. Resin sand casting; 2. Lost foam casting; 3. Coated sand casting;
Cast steel Sewage Pump Housing: precision casting, lost wax casting.
Powder spraying, Painting
Sewage Pump Bases
Manufacturing According to Drawings
QT (Ductile Iron) HT (Grey Cast Iron) Cast Steel (ZG25)
Gray cast iron, ductile iron Sewage Pump Bases: 1. Resin sand casting; 2. Lost foam casting; 3. Coated sand casting;
Cast steel Sewage Pump Bases: precision casting, lost wax casting.
Powder spraying, Painting
Pipeline pump Motor Bracket
Manufacturing According to Drawings
QT (Ductile Iron) HT (Grey Cast Iron) Cast Steel (ZG25)
Gray cast iron, ductile iron Pipeline pump Motor Bracket: 1. Resin sand casting; 2. Lost foam casting; 3. Coated sand casting;
Cast steel Pipeline pump Motor Bracket: precision casting, lost wax casting.
Powder spraying, Painting
Pipeline Pump Impellers
Manufacturing According to Drawings
QT (Ductile Iron) HT (Grey Cast Iron) Cast Steel (ZG25)
Gray cast iron, ductile iron Pipeline Pump Impellers: 1. Resin sand casting; 2. Lost foam casting; 3. Coated sand casting;
Cast steel Pipeline Pump Impellers: precision casting, lost wax casting.
Powder spraying, Painting
Pipeline Pump Covers
Manufacturing According to Drawings
QT (Ductile Iron) HT (Grey Cast Iron) Cast Steel (ZG25)
Gray cast iron, ductile iron Pipeline Pump Covers: 1. Resin sand casting; 2. Lost foam casting; 3. Coated sand casting;
Cast steel Pipeline Pump Covers: precision casting, lost wax casting.
Powder spraying, Painting
Pipeline Pump Housings
Manufacturing According to Drawings
QT (Ductile Iron) HT (Grey Cast Iron) Cast Steel (ZG25)
Gray cast iron, ductile iron Pipeline Pump Housings: 1. Resin sand casting; 2. Lost foam casting; 3. Coated sand casting;
Cast steel Pipeline Pump Housings: precision casting, lost wax casting.
Powder spraying, Painting
Centrifugal Pump Impellers
Manufacturing According to Drawings
QT (Ductile Iron) HT (Grey Cast Iron) Cast Steel (ZG25)
Gray cast iron, ductile iron pump impellers: 1. Resin sand casting; 2. Lost foam casting; 3. Coated sand casting;
Cast steel pump impellers: precision casting, lost wax casting.
Powder spraying, Painting
1. Chemical composition; 2. Mechanical properties; 3. Metallographic inspection; 4. Inspection of appearance, size, shape, and position tolerance; 5. Surface roughness;
Centrifugal Pump Covers
Manufacturing According to Drawings
QT (Ductile Iron) HT (Grey Cast Iron) Cast Steel (ZG25)
Gray cast iron, ductile iron pump covers 1. Resin sand casting; 2. Lost foam casting; 3. Coated sand casting;
Cast steel pump covers: precision casting, lost wax casting.
Powder spraying, Painting
Name Centrifugal Pump Bottom Plates
Manufacturing According to Drawings
QT (Ductile Iron) HT (Grey Cast Iron) Cast Steel (ZG25)
Gray cast iron, ductile iron Centrifugal Pump Bottom Plates: 1. Resin sand casting; 2. Lost foam casting; 3. Coated sand casting;
Cast steel Centrifugal Pump Bottom Plates: precision casting, lost wax casting.
Powder spraying, Painting
Manufacturing According to Drawings
QT (Ductile Iron) HT (Grey Cast Iron) Cast Steel (ZG25)
Gray cast iron, ductile iron pump Housings: 1. Resin sand casting; 2. Lost foam casting; 3. Coated sand casting;
Cast steel pump Housings: precision casting, lost wax casting.
Ductile Iron / Stainless Steel / Gray Iron / Cast Steel / Customized
+/-0.01mm
CT9
Casting / CNC / Customized
≥1.6Mpa, ≤6.4Mpa
Painting / Plating / Polishing / Customized
Anti-collision / Brand Logo / Customized
CB / CE / URV / Customized
Ductile Iron / Stainless Steel / Gray Iron / Cast Steel / Customized
+/-0.01mm
CT9
Casting / CNC / Customized
≥1.6Mpa, ≤6.4Mpa
Painting / Plating / Polishing / Customized
Anti-collision / Brand Logo / Customized
CB / CE / URV / Customized
Ductile Iron / Stainless Steel / Gray Iron / Cast Steel / Customized
+/-0.01mm
CT9
Casting / CNC / Customized
≥1.6Mpa, ≤6.4Mpa
Painting / Plating / Polishing / Customized
Anti-collision / Brand Logo / Customized
CB / CE / URV / Customized
Ductile Iron / Stainless Steel / Gray Iron / Cast Steel / Customized
+/-0.01mm
CT9
Casting / CNC / Customized
≥1.6Mpa, ≤6.4Mpa
Painting / Plating / Polishing / Customized
Anti-collision / Brand Logo / Customized
CB / CE / URV / Customized
Ductile Iron / Stainless Steel / Gray Iron / Cast Steel / Customized
+/-0.01mm
CT9
Casting / CNC / Customized
≥1.6Mpa, ≤6.4Mpa
Painting / Plating / Polishing / Customized
Anti-collision / Brand Logo / Customized
CB / CE / URV / Customized
Ductile Iron / Stainless Steel / Gray Iron / Cast Steel / Customized
+/-0.01mm
CT9
Casting / CNC / Customized
≥1.6Mpa, ≤6.4Mpa
Painting / Plating / Polishing / Customized
Anti-collision / Brand Logo / Customized
CB / CE / URV / Customized
Ductile Iron / Stainless Steel / Gray Iron / Cast Steel / Customized
+/-0.01mm
CT9
Casting / CNC / Customized
≥1.6Mpa, ≤6.4Mpa
Painting / Plating / Polishing / Customized
Anti-collision / Brand Logo / Customized
CB / CE / URV / Customized
Ductile Iron / Stainless Steel / Gray Iron / Cast Steel / Customized
+/-0.01mm
CT9
Casting / CNC / Customized
≥1.6Mpa, ≤6.4Mpa
Painting / Plating / Polishing / Customized
Anti-collision / Brand Logo / Customized
CB / CE / URV / Customized
Ductile Iron / Stainless Steel / Gray Iron / Cast Steel / Customized
+/-0.01mm
CT9
Casting / CNC / Customized
≥1.6Mpa, ≤6.4Mpa
Painting / Plating / Polishing / Customized
Anti-collision / Brand Logo / Customized
CB / CE / URV / Customized
Ductile Iron / Stainless Steel / Gray Iron / Cast Steel / Customized
+/-0.01mm
CT9
Casting / CNC / Customized
≥1.6Mpa, ≤6.4Mpa
Painting / Plating / Polishing / Customized
Anti-collision / Brand Logo / Customized
CB / CE / URV / Customized
HULK Metal provides premium push sleds designed for professional training and commercial gyms, offering diverse types, robust construction, and customizable features.
This product detail focuses on Monolift Rack Attachments. It covers features, manufacturing processes, quality control, and benefits.
HULK Metal provides premium OEM squat racks, including power racks, half racks, wall-mounted, foldable, and combo designs. Each rack is produced with precision metalworking, strict quality inspections, and advanced surface treatments.
HULK Metal''s Safety Spotter Arms are engineered for strength, safety, and long-term durability in commercial and home gym racks. Manufactured with high-quality steel, precise welding, and advanced surface treatments, each unit undergoes strict inspection and testing.
HULK Metal provides a comprehensive OEM manufacturing solution for rear base stabilizers, focusing on structural integrity and precision. Utilizing advanced robotic welding, CNC laser cutting, and professional surface treatments, we ensure every component achieves a 99.8% precision rate.
HULK Metal provides a comprehensive OEM manufacturing solution for high-strength fitness crossmembers, serving as the structural backbone for commercial power racks and functional rigs. By integrating ISO 9001-certified processes with advanced CNC laser cutting and robotic welding, we deliver rack crossmember components with a 99.8% precision rate.
HULK Metal provides durable, safe, and customizable medicine ball holder racks, including vertical, horizontal, and modular designs. With integrated factory resources, strict quality control, certified production, and comprehensive OEM services, we ensure faster delivery, competitive pricing, and reliable after-sales support. Ideal for commercial gyms, training centers, and bulk buyers seeking high-quality, long-lasting fitness storage solutions.
HULK Metal provides a comprehensive OEM solution for high-quality front foot extensions, utilizing advanced robotic welding, laser cutting, and ISO 9001-certified quality control. We deliver precision-engineered stabilizers that enhance equipment safety and footprint integrity for global fitness brands. Our vertically integrated factory ensures competitive pricing, rapid production cycles, and a 99.8% precision rate. Backed by a lifetime quality guarantee, we empower procurement teams to streamline their supply chain with durable, high-performance metal components.
HULK Metal provides a comprehensive OEM manufacturing solution for high-capacity dumbbell stands, prioritizing structural integrity and long-term durability. Our facility integrates ISO 9001 standards with advanced robotic welding and CNC laser cutting to achieve a 99.8% precision rate. From heavy-duty tiered racks to space-saving vertical towers, we manage the entire lifecycle—from raw material inspection to global logistics—delivering cost-effective, commercial-grade storage solutions that meet the rigorous safety and aesthetic demands of professional fitness environments.
HULK Metal provides a comprehensive OEM solution for the dip bar attachment, integrating high-wattage laser cutting and robotic welding to achieve a 99.8% precision rate. Our facility specializes in heavy-duty structural steel fabrication, offering diverse surface treatments like electrostatic powder coating for maximum durability. By optimizing our vertically integrated supply chain, we deliver certified, commercial-grade dip attachment units at competitive prices with accelerated lead times, ensuring a stable and high-quality inventory for global fitness brands.
HULK Metal provides high-capacity OEM manufacturing for commercial-grade Chin Up Bars, utilizing over 50 automated welding stations and high-speed fiber laser cutting. Our ISO 9001-certified factory ensures every component meets a 99.8% precision rate, delivering structural safety and aesthetic consistency.
Our heavy-duty Barbell Holder Attachment is engineered for seamless integration into commercial power racks and home gym systems. Utilizing high-grade steel and precision laser cutting, we provide comprehensive OEM services that transform your technical drawings into market-ready components.
HULK Metal delivers industrial-grade Weight Plate Tree manufacturing, transforming complex technical drawings into durable gym hardware. Our Bar and Weight Plate Tree OEM services prioritize structural integrity through advanced metalworking.
Our J Hooks and J Cups for Power Rack OEM services are designed for brands and wholesalers sourcing in volume. HULK Metal supports full-process manufacturing from drawings, covering stamping, welding, machining, and surface treatment under ISO 9001 control.
Fitness Equipment Extrusions are widely used for frames, rails, supports, and structural connectors in commercial gym equipment. HULK Metal provides OEM production covering extrusion forming, precision cutting, CNC machining, welding, and surface treatment.
HULK Metal provides Weight Plate Holder OEM services for global gym equipment brands and wholesalers seeking dependable large scale supply. From standard weight plate racks to custom bumper plate storage solutions, our factories support cutting, welding, bending, machining, and finishing under ISO 9001 systems.
Fitness Equipment Parts often involve complex structures, load-bearing requirements, and strict consistency standards. HULK Metal provides Custom Fitness Equipment Parts through OEM production, supporting drawings or samples.
Exercise equipment parts form the structural and functional backbone of modern fitness machines. HULK Metal offers OEM services focused on custom exercise equipment parts manufactured strictly to drawings.
HULK Metal crafts Custom Workout Equipment Parts to your exact drawings—no job too complex. With full in-house metal fabrication and strict ISO controls, we deliver stronger, smoother, and more consistent parts than typical suppliers.
HULK Metal Crafts Gym Equipment Components with tighter tolerances and heavier-duty builds than most. We handle OEM requests from start to finish—stamping, welding, laser cutting, and forging—all under one roof.
HULK Metal delivers high-quality custom barbell rack OEM services backed by decades of metal fabrication expertise. Our ISO 9001-certified factories handle everything from raw material sourcing to final delivery. Whether you need power racks, squat racks, or wall-mounted systems, we produce precise, durable parts that meet your exact specifications.
HULK Metal is a trusted OEM supplier of custom gym equipment rack and parts, backed by ISO 9001-certified factories and full-sheet metal production capabilities. We manufacture power racks, squat racks, wall-mounted systems, and more—exactly to your drawings.
HULK Metal produces custom power racks from iron, steel, stainless steel, and aluminum using sheet metal, profiles, pipes, and strips. Our processes include stamping, CNC machining, welding, casting, and forging.
HULK Metal offers durable come along clamps engineered for high performance in overhead line construction and industrial cable installation. Each clamp provides a strong, slip-resistant grip on conductors, ensuring safe tensioning and pulling.
HULK Metal provides a wide range of wire grips designed for copper cables, aluminum conductors, guy wires, and steel ropes. Our Wire Pulling Grips are precision-forged, durable, and tested to handle demanding loads without damaging conductors.
As a Chinese manufacturer of heavy-duty Wire Rope Puller Tools, we hope to provide high-quality products to more customers around the world. To this end, we will pay more attention to the quality of the products and improve their performance while ensuring the overall quality.
We can provide steel jaw cable puller with wire diameter ranging from 2.03mm to 45.7mm and from 0.68 tons to 9 tons. Contact us to get the best price.
We can currently produce a variety of high-performance alloy steels that can be used for wire diameters between 0.08~1.8in (2.03~45.7mm), tensions between 1500~20000lbs (0.68~9tons) and for various wire types of Jaw Cable Gripper.
Steel Wire Rope Gripper is made of high-performance alloy steel by hot die forging. It has a variety of styles to suit more wires.
HULK Metal offers a versatile range of Jaw Grip Puller for Aluminum Cable models, from lightweight wire grip pullers to heavy-duty cable pulling tools. With OEM customization, advanced production lines, and stringent quality controls, we ensure performance, durability, and after-sale support.
ABC Conductor Grips are special tools designed for ABC wire pulling, tightening and other working environments. Its clamp can better protect the ABC when pulling. We offer a variety of ABC Conductor Grips. Contact us for better prices.
The Jaw Rope Puller is designed for tensioning and routing ropes, cables, wire ropes, etc. We can currently provide Jaw Rope Pullers with clamping wire diameters ranging from 1.9mm to 45.7mm and pulling forces ranging from 1500 to 20000LBS.
Jaw Wire Puller orders will undergo strict sampling inspections before leaving the factory to ensure that the order qualification rate can reach 99.99%. We provide QA services. You can purchase with confidence.
Guy wire jaw grip puller is a tool designed to clamp wires and provide a fulcrum for tensioning them. It is simple to operate and can protect the wires while providing a stronger clamping force. We are a Chinese factory and can provide products with higher cost performance.
This section features selected blogs related to precision casting, covering topics such as investment casting processes, shell molding advantages, material selection guidance, common casting defects and solutions, surface finishing options, and cost optimization strategies. You will also find comparisons between different casting methods and practical tips for improving dimensional accuracy and production efficiency. These articles help buyers and engineers better understand manufacturing details, reduce sourcing risks, and choose the most suitable casting solutions for their projects.
As a top metalworking service provider, we want to let every customer experience a sense of security in purchasing, sales, etc., and better realize their value through continuously defining new standards for products and services.
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