1.ISO 9001 Certified Closed Die Forged Parts Factory
2.Professional Technical Team To Provide Support
3.Finalize Your Order Faster
4.Perfect Quality Assurance Service.
5.Finalize Closed Die Forging Parts At a Lower Price.
Closed die forged parts are produced by shaping heated metal within precision dies, delivering higher strength, consistent grain flow, and tight tolerances. HULK Metal supplies custom closed die forged parts through complete OEM services, from drawing review and tooling to forging, machining, inspection, and delivery, supported by ISO 9001 control and experienced technical teams for demanding industrial applications worldwide buyers.
Closed die forging OEM services cover full production based on customer drawings, using steel, stainless steel, alloy steel, and aluminum. Processes include hot forging, cold forging, precision closed die forging, followed by CNC turning, milling, drilling, grinding, and polishing. Multiple surface treatments, strict chemical and mechanical testing, flexible packaging, global delivery, and lifetime quality assurance support automotive, machinery, energy, and industrial applications across demanding series production requirements worldwide customers industries.
Name | Closed Die Forged Parts |
Manufacturing Methods | Manufacturing According to Drawings |
Raw Materials | Steel, SS (Stainless Steel),Alloy Steel, Aluminum |
Process | Hot Forging, Cold Forging, Close Die Forging. CNC Machining: Turning, milling, polishing, grinding, drilling, and reaming, and so on Packaging, Delivery, After Service. |
Surface Treatment | Galvanized, Passivation, Powder Coating, Shot Blasting, Polishing, Anodizing, etc. |
Application | Automotive & Commercial Vehicles, Construction Machinery & Heavy Equipment, Agricultural Machinery, Oil & Gas / Energy, Railway & Transportation, Industrial Machinery & General Engineering. |
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 |
This section provides a complete overview of closed die forged parts, covering materials, manufacturing processes, surface treatments, applications, and quality control. It explains how technical evaluation, controlled forging, machining, inspection, and service support work together to deliver consistent strength, dimensional accuracy, and reliable performance for demanding industrial applications across long-term production programs.
Closed die forged parts are produced by shaping heated or room-temperature metal inside precisely machined dies, allowing the material to flow and fully fill the cavity. Compared with open forging or casting, closed die forging delivers better mechanical strength, more uniform grain flow, and closer dimensional control. This process is widely used for load-bearing and safety-critical components where fatigue resistance and consistency matter more than appearance alone. Typical production includes die design, controlled heating, forging under high pressure, trimming, heat treatment, CNC machining, surface treatment, and final inspection. With proper tooling and process control, closed die forged parts achieve repeatable quality across long production runs while keeping material waste and secondary processing under control.
Steel is the most commonly used material for closed die forged parts because it balances strength, toughness, machinability, and cost. Carbon steel and structural steel grades are suitable for automotive components, construction machinery parts, and general industrial equipment. During forging, steel responds well to controlled deformation, forming continuous grain flow that follows the part geometry, which improves load resistance and service life. Proper temperature control during hot forging reduces cracking and ensures complete die filling. After forging, steel parts can be normalized, quenched, or tempered to meet different mechanical requirements. Steel closed die forged parts are often selected when reliability, volume stability, and long-term performance are more important than lightweight design.
Stainless steel closed die forged parts are chosen for applications requiring corrosion resistance, cleanliness, and stable performance in harsh environments. Common uses include energy equipment, transportation systems, and machinery exposed to moisture, chemicals, or temperature variation. Stainless steel has higher deformation resistance than carbon steel, which means forging temperature, die design, and lubrication must be carefully controlled. Proper forging refines the grain structure, improving both strength and corrosion performance compared with cast alternatives. Post-forging processes such as solution treatment, passivation, or polishing further enhance surface quality. Although tooling and processing costs are higher, stainless steel forged parts offer longer service life and lower maintenance demands in demanding operating conditions.
Alloy steel is widely used for closed die forged parts that require high strength, wear resistance, and fatigue performance. By adding elements such as chromium, molybdenum, or nickel, alloy steel provides better hardenability and mechanical stability under repeated loads. This makes it suitable for drivetrain components, heavy equipment parts, and industrial power transmission systems. Forging alloy steel requires precise temperature windows and controlled deformation to avoid internal stress or cracking. Heat treatment after forging plays a critical role in achieving the desired hardness and toughness balance. When processed correctly, alloy steel closed die forged parts outperform standard steel in demanding applications with high stress or long duty cycles.
Aluminum closed die forged parts are preferred when weight reduction, corrosion resistance, and good strength-to-weight ratio are required. Compared with cast aluminum, forged aluminum offers improved grain structure and higher mechanical strength, making it suitable for automotive, transportation, and certain machinery components. Aluminum forging typically uses lower forming temperatures and requires careful die design to ensure smooth material flow and avoid laps or incomplete filling. Surface finishing such as anodizing or polishing enhances both appearance and corrosion resistance. While aluminum is not suitable for extremely high-load applications, closed die forged aluminum parts provide an effective solution for reducing overall system weight without sacrificing structural reliability.
Common issues in closed die forged parts include incomplete die filling, surface laps, internal cracks, dimensional deviation, and excessive flash. These problems are often caused by improper forging temperature, unsuitable die design, incorrect billet size, or unstable process control. For example, low temperature or insufficient pressure may prevent the material from fully filling the die cavity, while excessive deformation can lead to surface defects. Material inconsistencies and uneven heating may also introduce internal stress or microcracks. If not identified early, these issues increase machining cost and scrap rate. Understanding these risks at the process planning stage is essential for maintaining stable quality and production efficiency.
Effective solutions focus on tooling accuracy, material preparation, and strict process control. Optimized die design ensures smooth metal flow and reduces stress concentration. Precise temperature control during heating and forging helps prevent cracks and incomplete filling. Selecting the correct billet size minimizes waste and flash while maintaining dimensional stability. In-process inspection and post-forging testing, including dimensional checks and mechanical property verification, identify issues before machining. CNC machining allowances are planned to balance precision and cost. By combining experienced technical review with standardized quality inspection, closed die forged parts can achieve high consistency, lower rejection rates, and reliable performance across long-term production programs.
Closed die forged parts are manufactured through a structured and repeatable process that starts with technical evaluation and ends with controlled delivery and after-sales support. Each step focuses on material performance, dimensional accuracy, and production stability, ensuring the forged parts meet drawing requirements, mechanical expectations, and long-term service demands across different industrial applications.
The manufacturing process is defined by carefully reviewing customer drawings, application conditions, and performance requirements. Engineers evaluate part geometry, tolerance zones, and load characteristics to decide whether hot forging, cold forging, or a combined closed die forging route is most suitable. Machining allowance, heat treatment needs, and surface finish targets are considered at this stage. Proper process selection reduces material waste, avoids unnecessary secondary operations, and improves overall production efficiency while maintaining consistent part quality across series production.
Mold design is carried out strictly according to customer drawings and forging process requirements. Die structure, parting line, draft angle, and material flow path are optimized to ensure complete filling and stable deformation. After manufacturing, the mold is tested and adjusted through trial forging to verify dimensional accuracy and surface condition. Debugging focuses on correcting flash control, filling balance, and wear points, ensuring the mold performs reliably throughout its service life during continuous production.
Raw materials such as steel, stainless steel, alloy steel, or aluminum are sourced from stable suppliers with traceable documentation. Incoming materials are inspected for chemical composition and basic mechanical properties before entering production. Proper material selection and verification prevent inconsistencies during forging and heat treatment. Controlled storage and identification ensure the correct material grade is used for each order, reducing the risk of mixing and supporting consistent quality from the first batch to the final shipment.
Once the mold and process are validated, mass production begins under standardized operating parameters. Heating temperature, forging pressure, and cycle time are strictly controlled to maintain stable deformation and grain flow. Operators follow defined work instructions, while in-process checks monitor critical dimensions and surface condition. This controlled production environment allows closed die forged parts to achieve high repeatability, stable output, and predictable lead times across long-term manufacturing programs.
Quality inspection is integrated throughout production and completed after forging and machining. Inspections include appearance checks, dimensional measurement, shape and position tolerance verification, and mechanical property testing when required. Sampling plans are defined according to order requirements. Any nonconforming parts are identified and isolated promptly. This inspection system helps reduce downstream issues, ensures compliance with drawings, and supports consistent delivery quality for demanding industrial applications.
Packaging is selected based on part size, surface condition, and transportation method. Options include wooden cases, cartons, individual protection, or customized packaging to prevent damage during handling and transit. Clear labeling ensures traceability and easy identification upon arrival. Coordinated logistics planning supports sea, air, or land delivery, helping customers receive closed die forged parts on schedule and in good condition.
After-sales service focuses on long-term cooperation and production stability. Support includes quality feedback handling, technical clarification, and coordination for returns, exchanges, or restocking if quality or quantity issues occur. Continuous communication helps optimize future production batches and improve process efficiency. This structured after-sales approach provides customers with confidence and reduces supply risk throughout the product lifecycle.
Closed die forged parts are widely used in industries where strength, dimensional stability, and fatigue resistance are critical. Based on real production experience, the following applications show how forged parts perform reliably under long-term load and harsh operating conditions.
Industry | Typical Forged Products | Detailed Description |
Automotive & Commercial Vehicles | Steering knuckles, control arms, crankshafts, connecting rods, wheel hubs | Closed die forged parts are essential in automotive and commercial vehicle systems because they must withstand repeated dynamic loads, vibration, and impact. Steering knuckles and control arms benefit from continuous grain flow that improves fatigue resistance and safety. Forged crankshafts and connecting rods deliver higher torsional strength and longer service life than cast alternatives. Wheel hubs require stable dimensions and reliable load-bearing capacity, especially for trucks and commercial vehicles. Forging ensures consistent mechanical performance across large production volumes while supporting precise machining for assembly accuracy. |
Construction Machinery & Heavy Equipment | Gear blanks, track links, pin shafts, brackets, hydraulic components | Construction and heavy equipment operate under extreme loads, shock, and abrasive environments. Closed die forged gear blanks and pin shafts offer higher core strength and wear resistance, reducing the risk of sudden failure. Track links and brackets require uniform structure to handle continuous stress during operation. Forged hydraulic components maintain pressure integrity and dimensional stability. Compared with welded or cast parts, forged components provide better reliability and longer maintenance intervals in demanding jobsite conditions. |
Agricultural Machinery | Hitch components, drive shafts, flanges, bearing housings, mounting brackets | Agricultural machinery works in dusty, wet, and impact-prone environments, often with seasonal high-load operation. Closed die forged hitch components and drive shafts provide the toughness needed to handle torque and misalignment. Forged flanges and bearing housings ensure stable mounting and reduce deformation over time. Mounting brackets made by forging resist cracking better than fabricated parts. The forging process delivers consistent quality, helping agricultural equipment operate reliably throughout long working cycles with reduced downtime. |
Oil & Gas / Energy | Valve bodies, flanges, connectors, shaft components, pressure fittings | Oil, gas, and energy applications demand forged parts with excellent strength, pressure resistance, and structural integrity. Closed die forged valve bodies and flanges offer refined grain structure, reducing leakage risk under high pressure. Forged connectors and fittings provide better fatigue performance in cyclic loading conditions. Shaft components require precise geometry and strong cores to handle continuous operation. Forging improves safety margins and supports stable performance in corrosive and high-temperature environments. |
Railway & Transportation | Axle components, couplers, brackets, suspension parts, structural connectors | Railway and transportation systems rely on closed die forged parts for safety-critical components. Forged axle parts and couplers must endure constant vibration and heavy loads over long service periods. Suspension components benefit from improved fatigue resistance and controlled deformation. Structural connectors and brackets require consistent strength to maintain alignment and stability. Forging ensures uniform internal structure, reducing the risk of hidden defects and supporting reliable long-term operation in public transportation systems. |
Industrial Machinery & General Engineering | Shafts, gears, yokes, levers, support arms | Industrial machinery often operates continuously under variable loads. Closed die forged shafts and gears deliver higher strength and improved wear resistance. Forged yokes and levers provide better impact resistance and dimensional consistency compared with fabricated parts. Support arms benefit from controlled grain flow, improving load distribution. Forging allows these components to maintain performance under repeated stress while supporting efficient CNC machining for precise assembly in complex mechanical systems. |
Surface treatment is a critical step to improve corrosion resistance, wear performance, appearance, and service life of closed die forged parts. Different treatment methods are selected based on material type, application environment, and functional requirements of each component.
Category | Surface Treatment Methods | Detailed Description |
Electrochemical Treatments | Galvanizing, Electroplating (Zinc, Nickel, Chrome), Anodizing | Electrochemical surface treatments use electrical current to form a protective or functional layer on forged parts. Galvanizing and zinc plating are widely used for steel forged components to improve corrosion resistance in outdoor or humid environments. Nickel and chrome plating enhance surface hardness, wear resistance, and appearance, making parts easier to clean and maintain. Anodizing is mainly applied to aluminum forged parts, forming a dense oxide layer that improves corrosion resistance and surface stability. These treatments are suitable for automotive, machinery, and industrial parts requiring consistent surface protection and controlled thickness. |
Chemical Treatments | Passivation, Chemical Blackening, Phosphating, Pickling | Chemical surface treatments rely on controlled chemical reactions without external electrical current. Passivation is commonly used for stainless steel forged parts to enhance corrosion resistance by stabilizing the surface oxide layer. Chemical blackening creates a uniform dark finish while offering moderate corrosion protection when combined with oil or sealant. Phosphating improves paint adhesion and provides temporary corrosion resistance, especially for steel components. Pickling removes oxide scale and surface contamination after forging or heat treatment, preparing parts for subsequent coating or machining processes. |
Electrostatic Coating | Powder Coating, Electrostatic Painting | Electrostatic surface treatments apply charged coating materials that adhere evenly to the forged part surface. Powder coating provides a durable, uniform finish with strong resistance to corrosion, impact, and abrasion. It is widely used for forged brackets, arms, and structural components exposed to outdoor conditions. Electrostatic painting offers more color flexibility and smooth appearance while maintaining good surface coverage. These methods are suitable for parts where both protection and visual consistency are important, and they perform well in medium to long-term service environments. |
Mechanical Treatments | Shot Blasting, Sand Blasting, Polishing, Grinding | Mechanical surface treatments modify the surface through physical action. Shot blasting and sand blasting remove scale, flash residue, and surface irregularities left after forging, improving surface cleanliness and uniformity. These methods also create a suitable surface profile for subsequent coating. Polishing and grinding improve dimensional accuracy and surface smoothness, which is important for mating surfaces or visible components. Mechanical treatments are often used as preparation steps or final finishing methods for forged parts requiring controlled roughness or improved appearance. |
Physical Treatments | Heat Treatment Surface Hardening, Surface Sealing | Physical surface treatments alter surface properties through controlled physical processes. Surface hardening methods increase wear resistance and fatigue performance without affecting the core toughness of forged parts. Surface sealing is used after treatments such as anodizing or phosphating to enhance corrosion resistance and durability. These methods are often selected for forged components subjected to friction, repeated load, or harsh operating environments. Physical treatments help balance surface performance and internal strength, supporting long service life in demanding industrial applications. |
A professional technical team is essential when selecting a closed die forged parts factory. Engineers must be able to correctly interpret drawings, tolerance requirements, and application conditions before production begins. Strong technical support helps identify potential forging risks early, such as material flow issues or excessive machining allowance. Experienced teams can optimize forging processes, die structures, and heat treatment plans, which improves product consistency and reduces rework. Effective technical communication also shortens development cycles and helps finalize orders faster, especially for complex or high-precision forged components.
Strong production capacity ensures stable delivery and consistent quality for closed die forged parts. A reliable factory should be equipped with advanced forging presses, heating systems, and supporting CNC machining resources to handle different part sizes and production volumes. Sufficient capacity allows manufacturers to respond to demand changes without compromising process control. It also supports parallel production, reducing lead times for repeat orders. Stable production capability is particularly important for long-term supply projects where on-time delivery and batch consistency directly affect downstream assembly and overall project schedules.
A strict quality management system is a key indicator of a dependable closed die forged parts factory. ISO 9001 implementation ensures standardized procedures across raw material inspection, forging, machining, and final inspection. Quality control should include chemical composition testing, mechanical property verification, and dimensional inspection. Clear documentation and traceability help identify issues quickly and prevent recurrence. A factory with disciplined quality management reduces defect rates and provides customers with confidence that each batch meets drawing requirements and performance expectations without unnecessary quality risks.
A comprehensive supply chain supports stable production and cost control for closed die forged parts. Close cooperation with raw material suppliers ensures consistent material quality and reliable availability. Integrated forging, machining, surface treatment, and inspection resources reduce reliance on external coordination and limit process delays. A well-managed supply chain also improves flexibility when material grades or production schedules change. Factories with strong supply chain integration can respond faster to customer needs while maintaining stable pricing and production continuity across different projects.
A comprehensive service system goes beyond manufacturing and reflects long-term cooperation capability. Effective service includes pre-production technical support, clear communication during production, and timely updates on order status. Dedicated teams for quality, logistics, and after-sales coordination help resolve issues efficiently. This structured service approach reduces misunderstandings and minimizes operational risk for buyers. When a factory provides end-to-end service support, customers can focus more on their core business while maintaining confidence in the supply of closed die forged parts.
Flexible payment methods and delivery terms are important for international sourcing of closed die forged parts. Factories that support multiple payment options and commonly used trade terms help simplify procurement procedures. Clear agreement on payment stages and delivery responsibilities reduces financial and logistical risk. This flexibility also reflects a factory’s experience with overseas customers and its ability to adapt to different procurement models. Smooth commercial cooperation contributes to more stable and efficient long-term partnerships.
Global shipping capability is essential for a closed die forged parts factory serving international markets. Experience with sea, air, and land transportation ensures parts are delivered safely and on schedule. Proper packaging methods protect forged components from corrosion or damage during transit. Familiarity with export documentation and customs procedures helps avoid delays at ports of entry. Factories with established global shipping support reduce logistical uncertainty and make cross-border procurement more reliable for overseas buyers.
Quality assurance services demonstrate a factory’s responsibility and confidence in its closed die forged parts. Reliable manufacturers provide clear policies for handling quality issues, including returns, exchanges, or restocking when problems occur. Responsive follow-up and technical analysis help identify root causes and prevent recurrence. This commitment to quality assurance protects customer interests and reduces supply risk. Long-term quality support builds trust and is a critical factor when selecting a manufacturing partner for ongoing forged part production programs.
Quality is controlled through a complete and structured system covering the entire production process. We operate a fully equipped quality inspection center with dimensional measurement tools and material testing equipment. From raw material inspection to forging, machining, and final inspection, each step follows documented procedures under ISO 9001 management. In-process checks and final inspections reduce risk and ensure consistency for every production batch.
Pricing depends on several factors, including raw material grade, part size, tolerance requirements, surface treatment, and order volume. Process complexity and tooling requirements also influence cost. Because we work directly with forging and machining factories, pricing is based on real production conditions rather than estimates. Once drawings and requirements are confirmed, we can provide clear and timely quotations that reflect actual manufacturing costs.
All pricing is built on consistent quality standards. When quality requirements remain the same, production efficiency becomes the key factor affecting cost. Larger order quantities allow better material utilization, more stable production scheduling, and lower unit costs. Clear drawings, reasonable tolerances, and long-term cooperation also help optimize the manufacturing process, resulting in more competitive pricing without compromising product reliability.
MOQ is not fixed and depends on product size, material type, forging complexity, and tooling requirements. Some parts require dedicated dies, which influences minimum order quantity. By reviewing your drawings and application requirements, we can evaluate the most suitable production plan. An NDA can be signed before technical review to protect your design information and ensure confidential communication.
Delivery time depends on tooling development, order quantity, and production scheduling. For most closed die forged parts, the general cycle is around 30 days after order confirmation. Larger or repeat orders usually benefit from higher production efficiency and more stable scheduling. Even for complex projects, delivery time is typically controlled within 45 days through coordinated forging, machining, and logistics planning.
Surface finish selection depends on material, application environment, and performance requirements. We work closely with reliable surface treatment factories offering powder coating, galvanizing, passivation, anodizing, and other options. Each solution is evaluated based on corrosion resistance, wear performance, and appearance needs. By considering the full production process, we help select surface treatments that balance performance, durability, and cost effectiveness.
We support global shipping and have experience serving customers in more than 50 countries. Our shipments cover Europe, North America, South America, Africa, Southeast Asia, and other regions. Familiarity with international logistics, packaging standards, and export documentation helps ensure smooth delivery. This experience reduces transportation risk and supports stable long-term cooperation with overseas buyers.
Manufacturable size depends on material type, wall thickness, geometry complexity, and forging process selection. Both small precision parts and larger structural components can be evaluated. By reviewing 2D or 3D drawings, our technical team assesses forging feasibility, machining allowance, and tooling requirements. An NDA can be signed before evaluation, allowing accurate feedback on production capability and cost considerations.
We support commonly used international payment methods such as L/C and T/T, along with standard delivery terms. Payment structure and delivery responsibilities can be discussed based on order scale and cooperation model. Flexible commercial terms reflect our experience working with international customers and help reduce transaction complexity while supporting stable and transparent cooperation.
HULK Metal operates as a manufacturer with strong factory resources rather than a simple trading intermediary. We coordinate forging, machining, quality inspection, logistics, and after-sales support through an integrated team. This structure allows direct technical communication, better production control, and more reliable quality management compared with purely trading-based sourcing models.
Yes. After tooling is completed and debugged, sample parts are produced under the same process planned for mass production. These samples are inspected and then sent for customer testing and approval. Only after sample confirmation does mass production begin. This approach helps verify design feasibility, performance expectations, and quality standards before full-scale manufacturing.
A: You can get a quote in a shorter time by providing the following information at once:
1. 2D and 3D drawings of the Die Forged 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:
Higher quality starts with a clear understanding of customer requirements. Our professional technical team reviews drawings, tolerances, application conditions, and performance expectations in detail before production. Based on real forging and machining experience, potential risks are identified early and addressed through process optimization. This technical evaluation helps define suitable materials, forging routes, and machining allowances, resulting in more accurate production plans and more stable quality outcomes for closed die forged parts.
A well-developed supply chain supports quality consistency from raw material to final delivery. Close cooperation with forging, machining, and surface treatment factories allows better coordination between processes. Stable supply relationships reduce variability and ensure production schedules are maintained without sacrificing process control. Integrated supply resources also improve response speed when adjustments are required, helping maintain consistent quality across different production batches and long-term supply programs.
Raw material quality directly affects forging performance and final product reliability. By closely cooperating with qualified raw material factories, materials are supplied with stable quality and more competitive pricing under the same standards. Incoming materials are inspected for chemical composition and basic mechanical properties before production. This controlled sourcing and inspection process reduces the risk of internal defects and ensures forged parts meet both performance and consistency requirements.
Strict production control ensures that closed die forged parts are manufactured under stable and repeatable conditions. Forging temperature, deformation rate, and process sequence are carefully managed to achieve proper material flow and grain structure. Standardized operating procedures and in-process checks help reduce variation during mass production. This disciplined approach minimizes defects, improves yield rate, and ensures each batch maintains consistent mechanical and dimensional performance.
Comprehensive quality inspection is applied throughout the production cycle. Dimensional measurement, appearance checks, and tolerance verification are carried out after forging and machining. When required, mechanical property testing and material verification are also performed. Clear inspection records support traceability and continuous improvement. This layered inspection system ensures that only qualified closed die forged parts proceed to packaging and delivery.
Proper packaging and organized delivery protect product quality beyond production. Packaging methods are selected according to part size, surface treatment, and transportation mode to prevent damage or corrosion during transit. Clear labeling and traceability support efficient handling and inspection upon arrival. Coordinated logistics planning helps ensure closed die forged parts are delivered in good condition and on schedule to global customers.
Thoughtful after services provide additional assurance after delivery. Customers can verify both quality and quantity upon receipt. If any products have quality issues or shortages, return, exchange, and restocking services are provided according to agreed terms. Prompt communication and technical support help resolve issues efficiently, supporting long-term cooperation and reducing supply risk for ongoing closed die forged parts programs.
Quality control is applied at every stage of closed die forged parts production to ensure dimensional accuracy, material reliability, and consistent performance. From incoming material verification to final pre-shipment inspection, each control point follows standardized procedures. This structured inspection system reduces defects, supports traceability, and ensures every shipment meets drawing requirements, quality expectations, and application performance needs for long-term industrial use.
Dimensional inspection verifies that forged and machined parts meet drawing requirements and tolerance limits. Critical dimensions, shape, and position tolerances are measured using calibrated inspection tools. Sampling plans are defined according to part complexity and order requirements. This inspection step ensures proper fit during assembly and reduces downstream machining or installation issues.
Custom inspection is available based on specific customer requirements. Additional inspection items, testing methods, or reporting formats can be arranged according to application needs. This flexibility supports projects with special quality standards or regulatory requirements, providing added assurance for critical closed die forged parts.
Pre-shipment inspection is performed before delivery to confirm that all parts meet quality and order requirements. Final checks include appearance, dimensions, packaging condition, and documentation review. This step helps prevent nonconforming products from being shipped and ensures customers receive qualified closed die forged parts.
Mechanical property inspection verifies strength, hardness, and performance characteristics when required. Tests are conducted according to material and application standards to confirm that forged parts meet expected load and fatigue requirements. This inspection supports consistent performance and ensures forged components are suitable for demanding service conditions.
Quantity inspection ensures the shipped amount matches the confirmed order. Parts are counted, verified, and recorded before packaging and dispatch. This inspection reduces the risk of shortages and supports accurate inventory planning for customers upon receipt of the goods.
Surface inspection focuses on appearance, finish quality, and defect detection. Forged parts are checked for cracks, laps, excessive flash, and surface damage after forging, machining, and surface treatment. This process ensures surface integrity and confirms that the selected surface treatment meets functional and visual requirements for the intended application.
Material inspection confirms that the correct material grade is used for each order. Incoming raw materials are verified through documentation review and chemical composition testing. Proper material identification and traceability reduce the risk of material mix-ups and support consistent forging and heat treatment results across production batches.
Our closed die forged parts factory system combines forging, machining, surface treatment, and quality inspection into a coordinated production network. By integrating specialized factories and a centralized QC center, we ensure stable capacity, consistent quality, and controlled lead times. This structure supports reliable production of closed die forged parts for demanding industrial applications across long-term cooperation projects.
Selecting HULK Metal for closed die forged parts services provides a reliable manufacturing partner focused on quality, efficiency, and long-term cooperation. Through integrated OEM support, standardized production, and coordinated supply resources, customers benefit from stable quality, controlled costs, and predictable delivery. This service approach helps reduce sourcing risk while supporting consistent production for demanding industrial applications.
This section gathers in-depth articles focused on closed die forged parts, covering manufacturing processes, material selection, tooling considerations, quality control, and real application experience. The articles explain how closed die forging improves strength, fatigue resistance, and dimensional stability compared with other forming methods. By combining practical production insights with industry use cases, these resources help buyers better evaluate technical feasibility, cost control, and long-term performance when sourcing custom closed die forged parts from China.
This section showcases a range of forged parts beyond closed die forging, highlighting different forging solutions for various industrial needs. Examples include open die forged components, hot forged parts, cold forged parts, and precision forged components used in automotive, machinery, energy, and general engineering applications. Each forged part reflects specific material choices, forming methods, and performance characteristics, helping buyers quickly understand suitable forging options and compare manufacturing approaches for different structural and functional requirements.
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.
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-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
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.
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.
Room 901, Intelligent Park A Building, No. 86 ChunYang Rd, Qingdao, China 266109
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