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Are you looking for reliable aluminium gravity casting factories in China? Wondering which suppliers can deliver high-quality, precision-engineered components for automotive, aerospace, or electronics applications? Curious about how to find a trusted aluminium gravity casting supplier that can handle custom designs and large-scale production?
This article highlights the top 10 aluminium gravity casting factories and suppliers in China, providing detailed insights into their capabilities, main services, and industry expertise. From custom aluminium die casting and CNC machining to sheet metal fabrication and rapid prototyping, these companies offer comprehensive solutions for OEM clients and industrial manufacturers. Each factory is evaluated based on experience, production capacity, quality standards, and ability to provide tailored casting solutions that meet strict dimensional and mechanical requirements.
Here, we focus on leading aluminium gravity casting suppliers in China, showcasing their strengths and services to help you make informed sourcing decisions. Continue reading to discover the best factories that combine precision, reliability, and customized solutions for all your aluminium casting needs.
Table of Contents
| Brand | Headquarters | Main Services |
|---|---|---|
| 1. Dolin Casting Co., Ltd. | Zhejiang, China | Aluminium gravity casting, CNC machining, finishing services, custom solutions |
| 2. OEFORM Die Casting Co., Ltd. | Dongguan, China | Aluminium gravity die casting, zinc & magnesium casting, CNC machining, surface finishing, custom molds |
| 3. Zhejiang Dongrun Casting Industry Co., Ltd. | Yongkang, Zhejiang, China | Aluminium gravity casting, sand & die casting, CNC machining, precision finishing, custom solutions |
| 4. GC Precision Mold Co., Ltd. (Aludiecasting) | Dongguan, China | Aluminium gravity & die casting, CNC machining, mold design, surface finishing |
| 5. Ningbo SAIVS Machinery Co., Ltd. | Ningbo, China | Aluminium gravity casting, die casting, investment casting, CNC machining, forging |
| 6. Qingdao Longquan Hongda Copper & Aluminum Casting Co., Ltd. | Qingdao, China | Aluminium & copper casting, mold design, CNC machining, gravity & die casting |
| 7. NINGBO INNOVAW MECHANICAL CO., LTD | Ningbo, China | Aluminium gravity & die casting, investment & sand casting, CNC machining, tooling & finishing |
| 8. Foshan ZP Aluminum Co., Ltd. | Foshan, China | Aluminium casting & extrusion, CNC machining, metal fabrication, surface treatments, OEM/ODM |
| 9. Inox Cast | Dongguan, China | Gravity & high-pressure die casting, CNC machining, mold design, surface finishing, prototyping |
| 10. Anebon Aluminium Gravity Casting Factory | Dongguan, China | Aluminium gravity die casting, CNC machining, sheet metal fabrication, prototyping, OEM solutions |
Introduction:
Dolin Casting Co., Ltd., headquartered in Zhejiang, China, is a premier aluminum foundry specializing in high-precision aluminum gravity casting and related processes. Established over 20 years ago, Dolin has built a reputation as a reliable aluminium gravity casting factory and supplier, offering a comprehensive range of services from sand casting, gravity die casting, high-pressure die casting, to low-pressure die casting. The company emphasizes one-stop solutions, including CNC machining and finishing services, allowing clients to receive fully machined, tested, and finished aluminum components tailored to diverse industrial applications such as automotive, lighting, electrical, furniture, architecture, and medical industries.
With a workforce of more than 120 skilled professionals, Dolin Casting provides personalized support to help customers develop custom aluminum casting solutions, from initial concept to mass production. Their vertically integrated operations ensure precise control over quality, durability, and production efficiency, making them a trusted partner for businesses seeking a high-quality aluminium gravity casting supplier in China. By combining advanced casting techniques, rigorous testing, and flexible finishing options, Dolin empowers clients to achieve both performance and aesthetic excellence in their aluminum components.
Established: 2000s (over 20 years experience)
Headquarters: Zhejiang, China
Main Services:
Introduction:
OEFORM Die Casting Co., Ltd., established in 2003 and headquartered in Dongguan, China, is a leading manufacturer of high-precision aluminum, zinc, and magnesium die castings. As a professional aluminium gravity casting factory and supplier, OEFORM specializes in aluminum die casting using ADC12, A380, and A356 alloys, as well as custom gravity die casting solutions for complex geometries. The company provides end-to-end services including custom mold design, CNC machining, and surface finishing treatments such as anodizing and powder coating, enabling clients to receive fully finished, dimensionally accurate, and performance-tested components suitable for automotive, aerospace, electronics, and medical applications.
With over 20 years of expertise and a 15,000㎡ modern production facility, OEFORM emphasizes precision, quality, and innovation. Their capabilities include high-pressure and low-pressure die casting with ±0.02mm CNC machining tolerance, advanced defect detection systems, and automated visual inspection to ensure consistent output. By offering one-stop solutions from mold design to final production, OEFORM supports global clients seeking a reliable aluminium gravity casting supplier in China, with customized solutions tailored to specific industrial requirements and high-volume manufacturing demands.
Established: 2003
Headquarters: Dongguan, China
Main Services:
Introduction:
Zhejiang Dongrun Casting Industry Co., Ltd., founded in 1995 and headquartered in Yongkang City, Zhejiang Province, China, is a leading aluminium gravity casting factory and supplier with over 30 years of experience in the casting industry. Dongrun integrates sand casting, gravity die casting, high-pressure die casting, and low-pressure casting into a one-stop service, covering everything from mold design and aluminum pouring to CNC machining and surface finishing. The company focuses on producing high-quality aluminum components with precise tolerances and superior surface finish for a variety of applications, including automotive, transportation, energy, infrastructure, medical devices, lighting, architectural, and furniture industries.
With a 20,000㎡ production facility, Dongrun is equipped with over ten advanced gravity die casting lines, CNC machining centers, and dedicated finishing workshops, ensuring efficient and accurate production. Their technical team works closely with clients to develop custom casting solutions, offering rapid prototyping, dimension reporting, chemical composition testing, and mechanical property analysis. By maintaining strict quality control, ISO9001:2015 and IATF16949 certifications, and modern inspection equipment, Dongrun guarantees consistent, defect-free aluminum castings. Their commitment to innovation, precision, and customer satisfaction has made them a trusted aluminium gravity casting supplier in China for both large OEMs and specialized industrial projects.
Established: 1995
Headquarters: Yongkang City, Zhejiang Province, China
Main Services:
Introduction:
GC Precision Mold Co., Ltd., also known as Aludiecasting, was established in 1999 and is headquartered in Dongguan City, Guangdong Province, China. As a top aluminum gravity casting and die casting manufacturer in China, GC Precision Mold specializes in aluminum, magnesium, zinc, and copper die casting, as well as aluminum gravity casting and sand casting. The company provides a full spectrum of services, including custom mold design, precision CNC machining, plastic injection molding, surface finishing, and assembly, enabling global clients to obtain high-quality, ready-to-use components for automotive, LED lighting, marine, architectural hardware, and industrial machinery applications.
With over 20 years of experience and multiple specialized factories, GC Precision Mold offers advanced production capabilities, including high-pressure die casting machines up to 2000 tons, gravity casting for parts up to 50 kg, and CNC machining with tight tolerances down to 0.008 mm. Their professional team ensures strict quality control throughout all processes, supported by ISO 9001 certification, rigorous in-process inspections, and comprehensive testing reports. By integrating design, prototyping, casting, machining, finishing, and assembly, GC Precision Mold delivers cost-effective, precise, and reliable die casting solutions, making them a trusted aluminum gravity casting supplier for international clients.
Established: 1999
Headquarters: Dongguan City, Guangdong Province, China
Main Services:
Introduction:
Ningbo SAIVS Machinery Co., Ltd., established in 1989 and located in Yinzhou, Ningbo, Zhejiang Province, China, is a leading manufacturer and exporter of high-quality aluminum, zinc, and other metal castings. With over 30 years of experience, SAIVS specializes in aluminum gravity casting, investment casting, die casting, sand casting, forging, and precision CNC machining. The company provides integrated solutions including heat treatment, surface finishing (anodizing, powder coating, painting, plating), and assembly, serving industries such as automotive, marine, lighting, agriculture, and construction machinery.
SAIVS operates advanced production facilities, including medium-frequency induction furnaces, die-casting machines from 250 to 1600 tons, wax injection systems, shot blasting, and CNC mold-making workshops. Quality assurance is maintained through TS 16949 certification, comprehensive testing (mechanical, metallographic, hardness, ultrasonic, X-ray, and pressure testing), and strict in-process inspections. Their capabilities cover aluminum castings from 0.5 to 30 kg, with customized alloys compliant with ASTM, GB, EN, BS, and ASMT standards.
Established: 1989
Headquarters: Yinzhou, Ningbo, Zhejiang Province, China
Main Services:
Introduction:
Qingdao Longquan Hongda Copper & Aluminum Casting Co., Ltd., established in 1978 and located in Jiaozhou, Qingdao, China, is a professional manufacturer and exporter specializing in copper and aluminum castings, mold making, and machining services. Covering 28,000 m² with 8,000 m² of factory space, the company employs 160 staff, including 60 skilled technicians. Their production is close to Qingdao Port, only 20 minutes by car.
Longquan Hongda uses advanced manufacturing technologies including sand casting, gravity casting, low-pressure casting, die casting, and permanent mold casting. The company has a complete set of equipment such as horizontal cold chamber die casting machines, low-pressure casters, roller sand mixers, hot-box core shooters, shot blasting machines, CNC machining centers, lathes, drilling, and milling machines. They design and manufacture various molds in-house, including wood type, top container, turning panel, metal type, and die casting molds, enabling integrated casting and machining solutions for both rough castings and finished products.
The company strictly follows ISO9001 quality management standards and has gained high reputation among clients in North America, Western Europe, Eastern Asia, and Oceania. Their products are widely used in automotive, machinery, and industrial sectors, providing durable and high-precision components.
Established: 1978
Headquarters: Jiaozhou, Qingdao, Shandong Province, China
Main Services:
Introduction:
Founded over 20 years ago, NINGBO INNOVAW MECHANICAL CO., LTD is a professional manufacturer of aluminum die castings, gravity casting, low and high-pressure casting, investment and sand casting, and precision CNC machined parts. Headquartered in Ningbo, China, Innovaw serves global markets including North America, Europe, and Asia, with a strong export ratio of over 90%.
Innovaw operates multiple foundries and machining facilities, each dedicated to a specific casting process. Their production capabilities include automotive components, medical devices, aerospace parts, lighting fixtures, energy equipment, marine components, industrial machinery, and consumer products. The company emphasizes high-quality standards, with certifications including IATF 16949, ISO 14001, ISO 45001, and Lloyd’s Register, and plans to achieve SA8000 and ISO/IEC27001.
With more than 580 employees, Innovaw focuses on R&D, process optimization, and sustainable manufacturing. The company combines advanced equipment like tilting gravity die casting machines, low-pressure casters, high-pressure die casting machines, and CNC machining centers with experienced engineers to deliver precise and reliable solutions for complex parts. Their approach integrates mold design, casting, machining, and surface finishing for end-to-end production support.
Established: 1998
Headquarters: Ningbo, Zhejiang Province, China
Main Services:
Introduction:
Founded in 2005, Foshan ZP Aluminum Co., Ltd. is a comprehensive aluminum manufacturer in Foshan, Guangdong, China, specializing in aluminum extrusion, casting, CNC machining, and metal fabrication. ZP Aluminum provides one-stop solutions for custom aluminum products, serving industries such as construction, automotive, electronics, LED lighting, furniture, and industrial machinery. The company exports to over 20 countries including Italy, Germany, England, Brazil, Canada, and the USA.
ZP Aluminum operates two main production bases covering 52,000 m², including an aluminum extrusion workshop with 12 extrusion lines (600–10,000 tons) and anodizing/powder coating lines, and a metal fabrication workshop with 30+ CNC machines, punching, stretch forming, welding, laser cutting, and assembly lines. This allows ZP to deliver high-precision, customized solutions with short lead times.
The company emphasizes OEM/ODM capabilities, mold customization, and surface treatment options like anodizing, powder coating, and electrophoretic coating. With a professional engineering and QC team, ZP ensures high-quality and cost-effective solutions for complex aluminum components.
Established: 2005
Headquarters: Leping Industrial Zone, Shanshui District, Foshan, Guangdong, China
Main Services:
Introduction:
Inox Cast, a Hong Kong limited liability company and part of the SunOn Industrial Group, was founded in 1997. Located in Dongguan City, China, the company covers a 32,000 m² plant and employs approximately 1,000 staff, including senior managerial and technical personnel. Inox Cast specializes in high-precision die casting, mold design, CNC machining, assembly, and surface treatments for metals such as aluminum, zinc, magnesium, and copper.
With over 20 years of experience, Inox Cast provides customized and nonstandard die casting solutions to industries including automotive, medical, electronics, LED lighting, household appliances, and power tools. The company emphasizes quality control with ISO9001:2008, TS16949, and ISO14001:2015 certifications, automated CMM machines, X-ray inspection, and climate-controlled inspection facilities.
Established: 1997
Headquarters: No. 88, Hongying Industrial Park, Hongshi Bridge, Fenggang Town, Dongguan City, 523700, China
Main Services:
Introduction:
Founded in 2010 and headquartered in Dongguan City, Guangdong, China, Anebon is a professional aluminium gravity casting factory and supplier dedicated to serving global OEM clients. The company specializes in producing high-quality customized aluminium gravity cast parts, leveraging advanced gravity die casting machines, CNC machining centers, and precision testing equipment to deliver durable, lightweight, and dimensionally accurate components. Anebon's offerings include custom aluminium die casting, CNC machining, sheet metal fabrication, and rapid prototyping services, making it a reliable choice for industries such as automotive, aerospace, electronics, and industrial machinery.
As a leading aluminium gravity casting supplier in China, Anebon provides fully integrated solutions, from product design and prototyping to production and global shipping. The factory focuses on precise alloy selection, including A356 and ADC12 aluminium, ensuring superior mechanical performance and corrosion resistance. With capabilities for custom designs, small and large batch orders, and OEM projects, Anebon enables clients to achieve high-quality, cost-effective, and tailored aluminium gravity casting components for a wide range of industrial applications, establishing itself as a trusted partner for companies seeking specialized aluminium casting solutions.
Established: 2010
Headquarters: Dongguan City, Guangdong, China
Main Services:
China has become a major global sourcing destination for aluminium gravity casting products. Many international buyers turn to Chinese gravity casting factories and suppliers due to their balanced combination of manufacturing experience, cost efficiency, and flexible production capabilities. The following factors explain why China remains competitive in this field.
Aluminium gravity casting has been widely used in China for decades, particularly in traditional industries such as machinery, pumps, valves, lighting, and automotive components. Many factories have accumulated long-term practical experience in mold design, alloy control, and casting process optimization, which helps ensure stable quality and repeatability.
Compared with high-pressure die casting, gravity casting typically requires lower equipment investment and simpler tooling. Chinese suppliers benefit from localized aluminum material sourcing, well-developed subcontracting networks, and efficient labor allocation, allowing them to offer competitive prices without sacrificing basic quality standards.
Aluminium gravity casting is well suited for small to medium batch production and parts with thicker walls or more complex internal structures. Many Chinese factories are flexible in order quantity, making them attractive to overseas customers who require prototypes, trial orders, or customized components with relatively low annual volumes.
Chinese aluminium gravity casting suppliers serve various industries, including industrial equipment, automotive spare parts, agricultural machinery, electrical housings, and construction hardware. This wide application base enables factories to adapt processes to different functional and mechanical requirements.
Although high-pressure die casting continues to grow rapidly, aluminium gravity casting remains an important manufacturing method in China. It is especially relevant for components that require good mechanical strength, thicker sections, or lower internal stress.
With ongoing industrial upgrades and increasing demand for reliable metal components, gravity casting factories in China are gradually improving quality control, alloy consistency, and post-processing capabilities. While competition is strong, experienced suppliers with stable quality and export know-how are expected to maintain steady business.
The cost of aluminium gravity casting parts in China varies depending on design complexity, alloy type, mold structure, and finishing requirements. In general, gravity casting offers a cost-effective solution for parts that are not suitable for high-pressure die casting.
1. Aluminum Alloy Selection
Common alloys such as A356 or AlSi7Mg are frequently used for gravity casting due to their good strength and casting performance. Higher-performance alloys or strict chemical composition control may increase material costs moderately.
2. Mold Type and Tooling Cost
Gravity casting molds are usually simpler and less expensive than high-pressure die casting molds. Tooling costs depend on part size, cavity number, and mold material, and are often suitable for medium-volume production projects.
3. Machining and Post-Processing
Many gravity cast parts require CNC machining to achieve precise dimensions. Additional treatments such as heat treatment, polishing, shot blasting, or painting will affect the final price.
4. Order Quantity
Unit costs decrease as order volume increases. For small batches, tooling and setup costs account for a larger proportion, while stable repeat orders help reduce average pricing over time.
For accurate quotations, buyers are advised to provide detailed drawings, tolerance requirements, and estimated annual quantities.
1. Why source aluminium gravity casting parts from China?
China offers a large number of experienced gravity casting factories with competitive pricing and flexible production capabilities. This makes it suitable for customized parts, medium-volume orders, and long-term cooperation.
2. What types of products are suitable for aluminium gravity casting?
Gravity casting is commonly used for parts with thicker walls, higher strength requirements, or complex shapes, such as pump housings, brackets, enclosures, and mechanical components.
3. Are Chinese gravity casting suppliers able to support custom designs?
Yes. Most suppliers provide custom mold development based on customer drawings or samples and can adjust alloy selection and process parameters according to application needs.
4. How do I evaluate a reliable gravity casting factory in China?
Key factors include production experience, quality control procedures, machining capability, communication efficiency, and export experience. Requesting samples and conducting factory audits are common practices.
5. What is the typical lead time for gravity casting projects?
Mold development usually takes several weeks, depending on complexity. After tooling approval, production lead time depends on order quantity and machining requirements.
6. Can aluminium gravity casting parts meet international quality standards?
Many Chinese suppliers manufacture according to international standards and customer specifications. Material test reports and inspection records are typically available upon request.
7. Do Chinese suppliers support overseas shipping?
Yes. Most export-oriented factories are familiar with international logistics, packaging requirements, and documentation for overseas shipments.
China is home to some of the world's leading aluminium gravity casting factories and suppliers, offering high-precision components for industries ranging from automotive and aerospace to electronics and industrial machinery. These top manufacturers provide a variety of casting services including gravity die casting, high-pressure and low-pressure die casting, CNC machining, and custom finishing solutions, ensuring products meet strict quality, tolerance, and performance standards. Many of these companies also offer one-stop solutions, from mold design and prototyping to final assembly and global shipping, making them reliable partners for OEM clients worldwide.
Among these top suppliers, Innovaw stands out as a professional aluminium gravity casting factory in China, combining advanced casting technologies with CNC machining, sheet metal fabrication, and rapid prototyping. With decades of experience and a strong focus on customized solutions, Innovaw delivers durable, lightweight, and precision-engineered aluminium components that cater to a wide range of industrial applications. Their vertically integrated operations, skilled technical team, and commitment to quality make Innovaw a trusted choice for companies seeking reliable and scalable aluminium casting solutions in China.
By highlighting these leading factories, it becomes clear how China continues to dominate the aluminium gravity casting industry, providing innovative, cost-effective, and high-quality solutions. Innovaw exemplifies this excellence, offering clients both technical expertise and flexible manufacturing capabilities to achieve optimal performance and customized results.
