
Are you searching for the best aluminium casting foundries or reliable aluminium casting companies in China? Wondering which manufacturers offer the highest quality, most advanced capabilities, and the best value for your casting projects? With so many choices across China, how do you identify the right partner for your needs?
China has become a global leader in aluminum casting due to its strong industrial ecosystem, advanced manufacturing technologies, and competitive production costs. From die casting and gravity casting to low-pressure and sand casting, Chinese foundries now provide full-service solutions covering mold design, prototyping, CNC machining, surface finishing, and mass production. Whether you’re sourcing components for automotive, aerospace, electronics, industrial machinery, medical devices, or consumer products, China’s aluminum casting industry offers high precision, fast turnaround, and strict quality control that meet international standards. Many top-tier companies today integrate modern engineering tools, automated defect detection systems, and ISO/IATF-certified processes, ensuring both performance and reliability for global buyers.
In this article, we present the Top 10 Aluminium Casting Foundries and Companies in China, helping you quickly understand their strengths and choose the right partner for your project. Keep reading to explore the leading manufacturers and find the ideal supplier for your aluminum casting needs!
| Brand | Headquarters | Best For |
|---|---|---|
| 1. Dolin Casting | Shanghai, China | One-stop aluminum casting — sand, gravity, HPDC & LPDC |
| 2. Aludiecasting | Dongguan, China | Multi-material die casting with large in-house tooling capacity |
| 3. CNM Tech | Dongguan, China | Precision die casting with CMM & X-ray quality inspection |
| 4. Pro Die Casting | Cangzhou, China | Aluminum casting combined with sheet metal fabrication |
| 5. Dongrun Casting | Yongkang, China | High-strength LPDC & HPDC with T6 heat treatment capability |
| 6. ZP Aluminum | Foshan, China | Large-scale aluminum extrusion profiles with full surface finishing |
| 7. Qingdao Longquan Hongda | Qingdao, China | Copper & aluminum casting from a single foundry since 1978 |
| 8. Minghe | Dongguan, China | Thin-wall die castings & heat sinks with 35+ years of R&D |
| 9. OEFORM | Dongguan, China | HPDC up to 3,500T with in-house powder coating & blasting |
| 10. INNOVAW | Ningbo, China | Full-spectrum casting processes with automotive-grade quality systems |
Introduction:
Founded in 1998, Dolin Casting Co., Ltd. is a premier aluminum casting company and foundry headquartered in Shanghai, China. With over 20 years of experience, Dolin Casting specializes in producing high-quality, fully machined, and customized aluminum castings for industrial applications. As a trusted aluminum casting factory and manufacturer, the company provides a comprehensive range of services including sand casting, gravity die casting, high-pressure die casting, low-pressure die casting, CNC machining, and finishing services. Dolin Casting is recognized for its ability to deliver complete aluminum casting solutions, from prototyping to mass production, supporting clients in automotive, architectural, electrical, medical, and outdoor furniture industries.
Dolin Casting’s strength lies in its integrated capabilities as an aluminum casting supplier and manufacturer. With a skilled team of over 120 professionals, the company emphasizes quality, precision, and customer satisfaction. Their aluminum casting foundry is equipped to handle complex geometries and tight tolerances, providing clients with durable and reliable cast components. Dolin Casting’s products are exported globally to markets in North America, Europe, Australia, and Asia, making it a go-to partner for businesses seeking a dependable aluminum casting company for OEM solutions, custom designs, and professional technical support.
Established: 1998
Headquarters: Shanghai, China
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Company Overview
Dolin Casting Co., Ltd. is a leading aluminum foundry based in Shanghai, China. Established in 1998, the company has built over two decades of expertise in producing high-quality, fully machined aluminum casting parts for a wide range of industrial applications. With a team of more than 120 well-trained staff, Dolin places a strong emphasis on customer collaboration, working closely with clients from initial design through to final mass production. Its greatest competitive advantage lies in its comprehensive in-house capabilities — covering four aluminum casting processes alongside CNC machining and finishing services — allowing it to serve as a true one-stop manufacturing partner.
Products and Services
Dolin Casting serves diverse end markets with a broad product portfolio, including automotive structural components, light fixture parts, electrical enclosures, ornamental castings, patio furniture components, and medical equipment parts. All products can be delivered as raw castings or as fully machined and surface-finished assemblies depending on customer requirements.
Casting Processes
The company's process range covers aluminum sand casting, gravity die casting, high-pressure die casting (HPDC), and low-pressure die casting (LPDC). Sand casting suits complex geometries and low-to-medium volumes; gravity die casting is preferred for structurally demanding parts; HPDC enables high-volume production with tight tolerances; and LPDC is used for larger, denser components where mechanical integrity is critical. Post-casting services include CNC machining, surface finishing, and full quality inspection.
Quality and Export
Quality control is a core pillar of Dolin Casting's operations, with rigorous inspection procedures applied throughout production — from incoming raw material checks to final dimensional and functional testing before shipment. Its long-standing export track record to markets in North America and Europe reflects its consistent ability to meet international quality standards.
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Introduction:
Founded in 1999, Aludiecasting (GC Precision Mold Co., Ltd.) is a leading aluminum casting company and foundry located in Dongguan City, Guangdong Province, China. As a premier aluminum casting factory and manufacturer, the company specializes in delivering high-quality aluminum die casting, magnesium die casting, zinc die casting, and plastic injection molded components. Leveraging advanced die casting machinery and a skilled workforce, Aludiecasting provides reliable, fully customized aluminum castings for diverse industries including automotive, marine, electronics, lighting, and architectural hardware. Their expertise allows clients to source complete aluminum casting solutions from a single supplier, ensuring consistency, precision, and cost efficiency across all projects.
Aludiecasting stands out as a comprehensive aluminum casting supplier and foundry with a strong focus on engineering flexibility and production capacity. With capabilities spanning high-pressure die casting, gravity casting, sand casting, CNC machining, and surface finishing such as anodizing and powder coating, the company ensures that every aluminum casting meets stringent quality standards. Serving clients worldwide, Aludiecasting combines the benefits of an experienced aluminum casting manufacturer with modern technological processes, making it a trusted partner for businesses seeking customized, high-precision aluminum castings at competitive pricing.
Established: 1999
Headquarters: Dongguan City, Guangdong Province, China
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Manufacturing Facilities
Aludiecasting operates two production bases in Dongguan City. Factory 1 is located at No. 30 Huan Zhen Rd, Qi Shi Town, and Factory 2 at No. 15 Baotang Rd, Jinglian Village, Qiaotou Town. Together, these facilities house a full range of aluminum and zinc die casting machines, CNC machining centers, plastic injection molding equipment, and surface finishing lines, enabling end-to-end production under one organization.
Quality Control
Quality assurance at Aludiecasting goes beyond visual inspection. The company operates in-house X-ray inspection equipment capable of identifying hidden internal defects such as gas porosity, shrinkage cavities, and micro-cracks — issues that conventional inspection methods cannot detect. This is supplemented by CMM (coordinate measuring machine) dimensional checks, hardness testing, and spectrometer analysis for material verification. These multi-layered inspection protocols are applied across all production stages, from incoming raw materials to finished parts.
Industries and Applications
Beyond the core markets of automotive, marine, electronics, and lighting mentioned in its profile, Aludiecasting's customer base extends across a notably broad range of sectors. The company has produced components for aerospace, musical instruments, watercraft, optical devices, sensors, medical devices, robots, photographic equipment, sound systems, and sporting goods — reflecting a high degree of engineering versatility and the ability to handle demanding cross-industry specifications.
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Introduction:
CNM Tech (CN Manufacture Tech Co., Ltd.), established in 2005 and based in Dongguan City, Guangdong Province, China, is a top aluminum casting company and foundry. As a professional aluminum casting factory and manufacturer, CNM Tech specializes in aluminum die casting, zinc die casting, and magnesium die casting. The company provides complete aluminum casting solutions including cold and hot chamber die casting, CNC machining, metal stamping, and plastic mold design. With a focus on precision, efficiency, and reliability, CNM Tech serves industries ranging from automotive, bicycles, and lighting fixtures to decorative hardware, valves, and flow meter housings, offering customized aluminum castings tailored to specific client requirements.
CNM Tech combines advanced die casting machinery with a skilled team of engineers and mold designers, making it a leading aluminum casting supplier in China. The company employs state-of-the-art tooling, mold flow and cooling analysis, and automated quality control processes including CMM and real-time X-ray inspection to ensure high-precision components. CNM Tech’s integrated approach as an aluminum casting foundry and OEM manufacturer allows clients to source end-to-end solutions—from prototyping and tool design to high-volume production—while maintaining strict quality standards and on-time delivery, making it a trusted global partner for high-quality aluminum casting products.
Established: 2005
Headquarters: Dongguan City, Guangdong Province, China
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Manufacturing and Group Structure
CNM Tech operates as part of a two-company manufacturing group alongside Dongguan Jiahzan Die Cast Co., Ltd. This structure gives the organization expanded production capacity while maintaining specialized focus across different casting and machining requirements. The facility in Qiaotou Town is positioned close to one of China's major logistics hubs, enabling efficient supply chain management for North American and global OEM customers.
Tooling and Secondary Processes
One of CNM Tech's distinguishing strengths is its fully in-house tooling operation, staffed by a dedicated team of engineers and mold designers. Beyond casting and machining, the company offers a comprehensive range of secondary processes including deburring, heat treating, sand blasting, shot blasting, and vacuum impregnation — capabilities that reduce the need for third-party subcontracting and help maintain tighter quality control across the full production chain.
Quality System
CNM Tech holds IATF 16949:2016 certification, the automotive industry's most demanding quality management standard, applied across all projects regardless of industry. This is supplemented by ISO 14001 environmental management and OHSAS 18001 occupational health and safety certifications. Production inspections utilize ultrasonic testing, 3D scanning, and CMM dimensional verification, with a dedicated OQC team conducting final inspection and functional testing on every outgoing part.
Industries and Applications
While automotive and electronics are core markets, CNM Tech's production history spans a notably broad range of sectors including defense, off-highway equipment, agricultural machinery, and medical devices. The company has produced components ranging from engine parts and structural hardware to LED lighting housings, marine components, architectural hardware, and consumer products — reflecting strong cross-industry manufacturing versatility.
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Introduction:
Established in 2000, Pro Die Casting is a premier aluminum casting manufacturer and global supplier based in Cangzhou, China. The company specializes in high-quality aluminum die casting, low pressure die casting, gravity die casting, investment casting, and sand casting. Pro Die Casting provides comprehensive solutions for industries including automotive, electronics, telecommunication, marine, and medical, delivering precise and durable aluminum components for diverse applications.
Pro Die Casting’s core strength lies in its fully integrated aluminium casting factory, offering end-to-end services from in-house tooling design and mold manufacturing to precision machining, sheet metal fabrication, and advanced surface treatments such as polishing, electroplating, powder coating, anodizing, and shot blasting. With state-of-the-art cold and low-pressure die casting machines ranging from 300 to 1250 tons and rigorous IATF 16949-compliant quality control, Pro Die Casting ensures reliable, high-precision, and cost-effective aluminum casting solutions worldwide.
Established: 2000
Headquarters: Cangzhou, Hebei, China
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Facility and Equipment
Pro Die Casting operates from a 30,000 sq. meter manufacturing facility in Cangzhou, Hebei Province. Die casting machine capacity ranges from 300 to 1,250 tons using equipment from Yizumi and LK Group — two of China's most reputable die casting machine manufacturers. The facility supports the full production chain in-house: tooling design and fabrication, casting, CNC machining (drilling, tapping, milling, boring, turning, grinding), surface finishing, and assembly. This level of vertical integration allows the company to maintain tight control over quality and lead times without reliance on external subcontractors.
Sand Casting Specialty
One of Pro Die Casting's distinguishing capabilities is its dedicated in-house pattern shop, staffed by pattern makers with over 20 years of experience. The company applies strict incoming alloy chemical property checks, controls magnesium levels for consistent hardness, and removes harmful hydrogen gases prior to pouring — process steps that directly reduce porosity and ensure reliable T6 heat treatment results. Sand castings from this facility are exported to European and North American markets and have been applied in valves, hydraulics, power transmission, pneumatics, machine tools, medical, railroad, and industrial control systems.
Alloy and Process Expertise
The company selects alloys according to casting process requirements: ADC12 and A380 for high-pressure die casting due to their fluidity, and A356/A357 for low-pressure and gravity die casting where heat treatment and higher mechanical strength are needed. For gravity casting, Pro Die Casting has produced turbos, brake calipers, knuckles, engine cylinder heads, engine blocks, pistons, motor housings, hydraulic connectors, and gearbox housings — parts that demand low porosity, airtightness, and tight dimensional tolerances.
Sheet Metal Fabrication
Beyond casting, Pro Die Casting offers a full sheet metal fabrication service covering bending, roll forming, deep drawing, spinning, shearing, blanking, punching, and laser cutting. This capability was added in response to customer demand, allowing clients whose designs include both cast and fabricated metal components to source both from a single supplier.
Key References
Introduction:
Founded in 1995, Dongrun Casting Industry Co., Ltd. is a prominent aluminum casting manufacturer and supplier based in Yongkang, Zhejiang Province, China. With over 30 years of experience in the casting industry, the company offers a complete one-stop solution covering aluminum sand casting, gravity die casting, low-pressure die casting, high-pressure die casting, precision CNC machining, surface treatment, and comprehensive quality inspection. Dongrun Casting is dedicated to delivering high-precision, durable aluminum and zinc alloy parts for diverse industries including automotive, medical devices, electrical, lighting, HVAC, and industrial machinery.
The company’s core strengths lie in its fully integrated aluminium casting factory, advanced in-house tooling, and a strong focus on quality control. Dongrun Casting operates large-scale die casting machines capable of producing thin-walled and complex geometry parts with annual capacities exceeding 800 tons. With full-service CNC machining centers, sheet metal fabrication, and surface treatment workshops providing anodizing, powder coating, plating, shot blasting, and sandblasting, Dongrun ensures that every product meets international standards and customer specifications. Rigorous compliance with ISO 9001:2015 and IATF 16949 guarantees reliable, defect-free, and high-quality casting solutions worldwide.
Established: 1995
Headquarters: Yongkang City, Zhejiang Province, China
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Growth Timeline and Location Advantage
Dongrun's manufacturing history reflects a deliberate, process-focused expansion. Starting in 1995 as a foundry, the company launched its HPDC division in 1998 with two machines and a five-minute molten aluminum transfer setup — a detail that speaks to the tight integration between its casting operations. By 2009, the machine fleet had grown to eight units covering a wide tonnage range from 125T for precision small parts through to 1,250T for heavy-duty castings, establishing Dongrun as a regional leader in high-pressure die casting in Zhejiang Province.
Tooling Proximity as a Competitive Edge
One aspect of Dongrun's positioning that stands out is its geographic relationship with Yongkang Mold City — located just 15 minutes away. As Zhejiang's largest concentration of mold manufacturers, this proximity gives Dongrun faster turnaround on tooling development and repair, lower logistics overhead, and access to a deep pool of mold-making expertise without the delays typical of sourcing tooling from distant suppliers. For buyers with complex or iterative tooling requirements, this is a meaningful practical advantage.
Product Range
Dongrun's production history covers a wide range of cast aluminum components. Documented product categories include crankcases, transmission pans, motor housings, pump housings, filter housings, amplifier housings, flanges, charge air cooler tanks, and gearbox housings. This breadth — spanning powertrain components, fluid handling, HVAC, and electronics enclosures — reflects genuine cross-industry manufacturing experience rather than a single-sector focus.
Low-Pressure Casting for High-Strength Applications
Beyond HPDC, Dongrun specifically positions its LPDC capability for applications in aerospace and automotive components that require improved casting density and higher strength than high-pressure die casting can reliably deliver. Parts produced via LPDC at Dongrun include gearbox housings with airtightness requirements, lighting system bases requiring T6 heat treatment, and gas housings with strict leakage-proof specifications — applications where material integrity is as important as dimensional accuracy.
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Introduction:
Founded in 2005, ZP Aluminum Co., Ltd. is a leading aluminum casting and CNC machining manufacturer based in Foshan, Guangdong, China. The company integrates research, development, manufacturing, and sales of aluminum profiles and precision-machined products. ZP Aluminum specializes in one-stop aluminum deep-processing solutions, providing high-quality aluminum extrusion, casting, CNC machining, surface treatment, and assembly services to customers worldwide.
ZP Aluminum operates two modern production bases covering over 50,000 square meters, including 12 extrusion lines ranging from 600 to 10,000 tons, over 30 high-precision CNC machines, anodizing and powder coating lines, and advanced metal fabrication facilities. The company supports customized OEM and ODM projects, delivering tailored aluminum products for industries such as construction, electronics, automotive, lighting, heat sinks, furniture, and industrial machinery. With a strong R&D team and strict quality control, ZP Aluminum ensures products meet international standards with reliable performance and aesthetic quality.
Established: 2005
Headquarters: Foshan City, Guangdong, China
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Extrusion as the Core Business
Unlike most companies in this list whose primary identity is casting, ZP Aluminum's foundation is aluminum extrusion. Its 12-line extrusion operation — spanning from 600-ton presses for standard profiles up to a 10,000-ton press for heavy industrial and structural sections — gives it a production scale that few smaller foundries can match in this specific process. The ability to produce profiles wider than 300mm positions the company for large architectural, industrial machinery, and heavy-duty transportation applications where profile size alone eliminates many competitors.
Surface Treatment Depth
ZP Aluminum's investment in in-house surface finishing is notably comprehensive. With separate vertical and horizontal electrophoresis lines, three powder coating lines, and two anodizing lines, the company can handle the full spectrum of aluminum surface requirements — from decorative anodizing for architectural profiles to functional powder coating for industrial enclosures and electrophoretic coatings for corrosion-critical applications. This breadth of finishing capability means customers can receive fully processed, ready-to-install profiles without additional subcontracting.
Product Specializations
ZP Aluminum's product range is organized around application rather than process. Key specializations include aluminum heat sinks (with diameter options from 61mm to 84mm for standard round extruded designs), aluminum enclosures for industrial electronics, LED lighting profiles and grow-light housings, curtain wall and window-and-door framing systems, and PV solar panel frames. The company also handles impact extrusion — a cold-forming process distinct from conventional extrusion, used for producing seamless cylindrical or cup-shaped components — which further broadens its manufacturing scope.
Casting and Machining as Secondary Capabilities
While extrusion remains the core, ZP Aluminum also offers aluminum die casting, sand casting, and CNC machining as part of its one-stop service model. The casting operations use alloys suited to each process — ADC12 and A380 for die casting, and cast-grade aluminum alloys for sand casting. This combination allows customers whose designs include both extruded structural elements and cast functional components to consolidate sourcing with a single supplier.
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Introduction:
Established in 1978, Qingdao Longquan Hongda Copper & Aluminum Casting Co., Ltd. is a leading manufacturer specializing in copper and aluminum casting, mold production, and precision machinery processing. Located in Jiaozhou, Qingdao, China, the company covers 28,000 m² with 8,000 m² of building area and employs 160 staff, including 60 skilled technicians. Hongda integrates various casting technologies such as free sand casting, free metallic casting, gravity casting, low-pressure casting, and die casting to produce high-quality components for diverse industries worldwide.
The company possesses a complete range of equipment, including electric coreless furnaces, roller sand mixers, hot-box core shooters, air plasma cutting machines, low-pressure casters, molding machines, and precision cold chamber die casting machines. Hongda manufactures both casting molds and finished products according to customer requirements, with CNC machining centers, lathes, drilling machines, and milling machines ensuring precision and quality. Its products are exported to Italy, the USA, the UK, Canada, Japan, South Korea, and other countries.
Established: 1978
Headquarters: Jiaozhou, Qingdao, Shandong, China
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A Foundry Built on Longevity
Most die casting companies in China emerged during the manufacturing boom of the late 1990s and 2000s. Longquan Hongda predates that era entirely, having been established in 1978 — making it one of the few foundries in this roundup that was already operational before China's reform-era industrialization took hold. That longevity carries practical weight: the company's tooling knowledge, alloy handling experience, and process control have been accumulated and refined across generations of production, not just recent certifications.
Copper and Aluminum: A Dual-Metal Advantage
Where most foundries on this list specialize exclusively in aluminum alloys, Longquan Hongda handles both copper and aluminum — covering sand casting, gravity casting, die casting, and permanent mold casting across both metals. This makes it a practical choice for buyers whose projects require components in multiple materials, or who source copper alloy parts (bushings, bearings, valve bodies, pump components) alongside aluminum structural castings from the same supply chain.
Equipment and Testing Infrastructure
The production floor is equipped with frequency coreless electric furnaces, roller sand mixers, hot-box core shooters, air plasma cutting machines, low-pressure casters, molding machines, and horizontal cold chamber die casting machines. On the quality side, the testing lab runs CMM for dimensional verification, X-ray inspection for internal defect detection, and a spectrometer for material composition analysis — a testing suite that covers the three most critical quality checkpoints in casting production.
Export Track Record
Longquan Hongda holds direct export entitlement and has supplied customers in Italy, the USA, the UK, Canada, Japan, and South Korea. For international buyers, the proximity to Qingdao Port — one of the busiest container ports in northern China — translates into reliable shipping timelines and straightforward freight logistics for both small and large order volumes.
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Introduction:
Founded in 2003, Dongguan Minghe Die Casting Company is a professional manufacturer specializing in high-precision die casting services and parts development. Located in Humen Town, Dongguan, China, the company covers a 30,000 m² manufacturing plant and employs around 200 engineers and support staff. Minghe provides one-stop services including die casting, CNC machining, mold making, and surface treatment for aluminum, zinc, and magnesium alloys. Their production equipment ranges from 180-ton hot chamber to 3000-ton cold chamber die casting machines, along with advanced finishing and inspection facilities.
Minghe has developed strong expertise in thin-wall and complex die castings, serving industries such as automotive, machinery, robotics, LED heat sinks, telecom, engine components, and electronics. The company emphasizes research and development, holding more than 14 patents and implementing full quality inspection procedures under ISO 9001:2015 and IATF16949 standards.
Established: 2003
Headquarters: Humen Town, Dongguan, China
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A Company Built Over Four Decades
Minghe's story is unusually well-documented for a Chinese foundry. David Pan began offering die casting services in 1985, registered the company formally in 1988, and formally established Minghe Casting in 1995 when he relocated to a larger facility in Humen Town. Unlike many competitors that scaled up rapidly during China's manufacturing boom, Minghe grew incrementally — moving from hot chamber zinc casting for consumer goods in its early years, to cold chamber aluminum production for automotive and industrial clients, to its current position as a multi-process, multi-material precision casting operation. That four-decade arc means its process knowledge was earned progressively, not assembled quickly.
Vertically Integrated Ownership Structure
One distinctive aspect of Minghe's setup is the ownership structure beyond the main factory. In 2013, the company acquired Dongguan Tianniu Powder Coating Plant outright, giving it direct control over surface finishing capacity. The CEO additionally holds full ownership of a separate CNC machining shop. This means that powder coating, machining, and die casting are not just services offered under one commercial umbrella — they are owned by the same principal, with aligned incentives for quality and scheduling across the full production chain.
Process Range Beyond Die Casting
While HPDC is the core, Minghe's process portfolio is broader than most comparable foundries. The company also operates sand casting lines — expanded significantly in 2016 with the addition of a continuous sand mixer with automated controls and mechanical reclaim — as well as investment casting, centrifugal casting, and lost foam casting. On the machining side, Zeiss CMM inspection, 3D printed sand capabilities, and ITAR registration (relevant for defense and aerospace supply chains) reflect a level of infrastructure investment that goes beyond standard casting operations.
Heat Sink Specialization
One area where Minghe has built a particularly deep track record is die cast aluminum heat sinks. With 30+ years of heat sink manufacturing experience and presses ranging up to 3,000T, the company handles heat sink applications from small CPU coolers and LED lighting housings through to large automotive and industrial radiator components. Supported alloys for heat sink applications include AL360, AL380, AL383, AL413, and A356, with surface options covering anodizing, electrophoresis, powder coating, and chromate treatment.
Key References
Introduction:
Established in 2003, OEFORM is a leading die casting manufacturer based in Dongguan, China, specializing in high-precision aluminum, zinc, and magnesium alloy castings. The company combines over 20 years of expertise with state-of-the-art mold design and precision die casting equipment. OEFORM offers comprehensive services including high-pressure die casting, gravity die casting, custom mold design, CNC machining, and post-processing treatments such as anodizing and powder coating.
OEFORM serves global industries including automotive, aerospace, electronics, and industrial machinery. The company emphasizes strict quality control with ISO 9001:2015 and IATF 16949 certifications, advanced defect detection systems, and precision machining capabilities up to ±0.02mm tolerance. With an experienced team of engineers and modern facilities, OEFORM ensures consistent, reliable, and high-performance die casting solutions for complex parts and large production volumes.
Established: 2003
Headquarters: Dongguan, China
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Equipment Detail
OEFORM's production floor is built around a clearly defined machine inventory, which the company publishes openly. On the aluminum HPDC side, 8 cold chamber machines span 300T to 3,500T — a range that covers small precision components through to large structural castings, with the 2,500T press being capable of producing single aluminum parts weighing up to 32kg. Zinc die casting is handled by 4 hot chamber machines from 120T to 400T, suitable for small, high-detail components in Zamak alloys. Gravity casting is covered by 2 tilted gravity machines, which enable automation-friendly pouring for permanent mold applications. The 30 CNC machines handle post-casting machining, thread tapping, and precision finishing in-house.
In-House Die Manufacturing
Mold and tooling production is handled internally using CNC machining centers and EDM (electrical discharge machining) equipment — the standard combination for precision die manufacturing. OEFORM also exports custom aluminum die casting dies directly to overseas customers, indicating that its tooling capability is mature enough to operate as a standalone service for clients who source production elsewhere. All incoming aluminum alloy ingots are verified to international standards and REACH/RoHS compliance before use.
Surface Finishing and Quality
Both the sand blasting line and powder coating line are in-house, which removes a common bottleneck in Chinese foundry supply chains where surface finishing is subcontracted and can introduce scheduling and quality variation. Quality inspection is anchored by CMM dimensional verification and X-ray internal defect detection, backed by a CDC automated visual inspection system for surface-level defect identification. The ±0.02mm CNC machining tolerance capability positions OEFORM for applications where as-cast dimensions alone are insufficient.
Application Focus
Documented application areas include Tesla vehicle components and automotive parts more broadly, LED housings, consumer products, rotors, radiators, medical equipment, connectors, cookware, and heat sinks — a range that reflects genuine cross-industry production experience. The company's gravity casting page additionally covers radiator housings and automotive structural components where density and mechanical integrity are priorities over pure production speed.
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Introduction:
Founded in 1998, INNOVAW is a leading manufacturer and global supplier of aluminum and zinc castings, CNC machined components, and complete metal solutions. Headquartered in Ningbo, China, the company specializes in high-precision die casting, low-pressure casting, gravity casting, investment casting, sand casting, and CNC machining for a wide range of industrial applications. With over 20 years of expertise, INNOVAW provides end-to-end solutions from design and rapid prototyping to mass production and surface finishing.
INNOVAW serves diverse industries including automotive, energy, LED lighting, marine, telecom, and medical devices. The company combines advanced manufacturing capabilities with a strong engineering team to ensure reliable, high-quality, and cost-effective production. INNOVAW has established a global presence with export operations to over 40 countries and partnerships with 200+ clients worldwide.
Established: 1998
Headquarters: Ningbo, China
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Production Scale by Process
What sets INNOVAW apart from most foundries in this list is the sheer breadth of its casting infrastructure across multiple dedicated production lines. The HPDC line runs 20 machines from 280T to 3,000T with a daily output of 16–20 tons. The low-pressure die casting line operates 15 machines at 8–10 tons daily capacity. Gravity casting is handled by 12 machines. This is not a company that offers multiple casting processes as secondary capabilities — each process line is resourced at production scale, supported by its own team and equipment. Together with investment casting and sand casting capabilities, INNOVAW covers the full spectrum of aluminum casting methods under one group umbrella.
Tooling as a Core Competency
Mold development at INNOVAW is treated as a distinct engineering discipline rather than a prerequisite to production. The in-house tooling team operates CNC machining centers, EDM equipment, precision grinding machines, and milling machines, and supports multi-slide die-casting dies alongside conventional tooling. The company applies mold flow simulation prior to cutting steel — a step that reduces the likelihood of defects arising from gate placement, cooling channel design, or fill behavior that would otherwise only surface during trial runs. With over 1,000 mold projects completed, the tooling division has accumulated a reference base that covers a wide range of part geometries and alloy behaviors.
Quality System Depth
INNOVAW's quality framework goes beyond standard ISO certification. The company implements automotive-grade quality processes including APQP (Advanced Product Quality Planning), PPAP (Production Part Approval Process), 8D problem-solving reports, and VDA 6.3 process audits — a suite of quality management tools typically required by Tier 1 and Tier 2 automotive suppliers. This level of quality infrastructure is uncommon among general-purpose foundries and signals a company that actively manages quality across the product development lifecycle, not just at final inspection.
Industry Verticals
INNOVAW's product case library covers twelve documented application categories: automotive castings, LED work light castings, marine castings, electric motor castings, medical equipment castings, instrument and meter castings, bicycle castings, water heater castings, gas meter castings, door and window castings, agricultural machinery castings, and power castings. The breadth and specificity of this list — down to gas meter housings, dental chair parts, and marine stabilizer housings — reflects genuine production experience across niche industrial sectors, not just broad industry labels.
Key References
1. What is the difference between die casting and gravity casting?
Die casting injects molten aluminum into a steel mold under high pressure, producing parts with tight tolerances and smooth surfaces — ideal for high-volume, complex components. Gravity casting relies on gravity to fill the mold, resulting in denser, stronger parts with less porosity, making it better suited for structurally demanding applications at medium volumes.
2. Which aluminium casting process is best for automotive parts?
It depends on the part. High-pressure die casting is widely used for engine covers, housings, and brackets due to its speed and precision. Low-pressure die casting is preferred for wheels and larger structural components where density and mechanical strength are critical.
3. What aluminium alloys are most commonly used in casting?
The most common alloys include ADC12 and A380 for die casting, A356 for gravity and low-pressure casting, and 6061/6063 for parts that require post-casting machining or anodizing. The choice depends on the required strength, corrosion resistance, and surface finish.
4. What certifications should I look for when choosing an aluminium casting foundry in China?
ISO 9001 is the baseline quality management certification. For automotive suppliers, IATF 16949 is the industry standard. Depending on your industry, you may also want to verify RoHS and REACH compliance for surface treatments, particularly if your parts are exported to Europe.
5. What is a typical minimum order quantity (MOQ) for aluminium castings from China?
MOQ varies by process and supplier. For die casting, most foundries require a tooling investment upfront, after which MOQs for production runs can range from a few hundred to a few thousand pieces. Sand casting and gravity casting typically have more flexibility and are often used for prototype quantities or smaller batches.
6. How long does it take to get aluminium casting samples from a Chinese foundry?
For sand casting prototypes, lead times can be as short as 1–2 weeks. Die casting samples typically take 3–5 weeks due to mold fabrication. Complex tooling or tight-tolerance parts may require additional time for mold trials and first-article inspection.
The Chinese aluminum casting industry has become a global hub for high-quality and precision metal casting solutions, offering diverse processes such as die casting, gravity casting, low-pressure casting, sand casting, and CNC machining. Many established manufacturers now serve a broad spectrum of industries—including automotive, electronics, energy, medical devices, and industrial machinery—providing both OEM and custom-engineered metal components. With increasing demand for lighter materials, tighter tolerances, and cost-effective production, companies are focusing on integrated capabilities such as in-house tooling, surface finishing, rapid prototyping, and strict international quality control standards. If you are sourcing for a specific casting process, we have also put together dedicated guides covering aluminium die casting, zinc pressure die casting, aluminium pressure die casting, gravity casting, low pressure die casting, investment casting, CNC machining, and sand casting — each with its own ranked list of top manufacturers in China.
As the market becomes more competitive, businesses looking for aluminum casting suppliers are no longer satisfied with basic manufacturing alone. They need partners who can offer engineering guidance, product optimization, fast turnaround, and truly end-to-end solutions—from design and mold simulation to mass production and global delivery. Reliability, innovation, and quality consistency have become key factors in selecting a long-term casting partner.
This is where INNOVAW stands out. With strong expertise in aluminum and zinc casting, CNC machining, mold design, and rapid prototyping, Innovaw provides complete solutions tailored to global client needs. Backed by advanced manufacturing capabilities, engineering excellence, and a commitment to quality, Innovaw offers not just parts—but optimized, value-driven manufacturing solutions that help customers bring products to market faster, smarter, and with confidence.