Top 10 Precision Aluminium Investment Casting Factories and Manufacturers in China

Mar 13, 2026

Precision aluminium investment casting, often produced through the lost wax process, is widely used for manufacturing complex metal parts with excellent dimensional accuracy and surface finish. In China, many manufacturers provide high precision casting solutions for industries such as automotive, aerospace equipment, industrial machinery, and electronics.

This article highlights the top 10 aluminium investment casting factories in China, helping you quickly identify the right partners for your projects. You will learn about:

Manufacturers offering full-process services from casting to CNC machining
Suppliers catering to automotive, industrial, lighting, and electronics applications
Companies with proven expertise in investment, die, sand, and gravity casting

Stay informed about current market trends and choose suppliers that align with your production needs. We focus on leading aluminium investment casting manufacturers, their capabilities, and quality control processes. Selecting the right factory is crucial for your project’s success—keep reading to discover the best partners and make informed decisions.

List of the Top 10 Aluminium Precision Investment Casting Factories and Manufacturers in China

Brand	Headquarters	Core Products & Services
1. ZP Aluminum	Foshan, Guangdong, China	Precision aluminum investment casting; sand & die casting; CNC machining; finishing
2. Simis Casting	Taiyuan, Shanxi, China	Precision investment & sand casting; CNC machining; tooling
3. Alu Die Casting	Dongguan, Guangdong, China	Aluminum die casting; CNC machining; injection molding; surface finishing
4. RMC Casting Foundry	Qingdao, Shandong, China	Investment & lost-wax casting; sand casting; vacuum casting; CNC machining
5. CFS Foundry	Ningbo, Zhejiang, China	Precision investment casting; die casting; CNC machining; finishing
6. Minghe Casting	Dongguan, Guangdong, China	Aluminum investment & die casting; CNC machining; tooling
7. Innovaw Mechanical	Ningbo, Zhejiang, China	Aluminum investment casting; pressure & gravity casting; CNC machining
8. Besser Casting	Ningbo, Zhejiang, China	Lost-wax investment casting; tooling; precision CNC machining
9. SAIVS	Ningbo, Zhejiang, China	Investment & die casting; sand casting; CNC machining; finishing
10. Dolin Casting Co., Ltd.	Zhejiang & Shanghai, China	Aluminum casting (sand, gravity, die); CNC machining; finishing

1. ZP Aluminum

Introduction:

ZP Aluminum Co., Ltd., based in Foshan’s Leping Industrial Zone, is a reliable aluminum investment casting manufacturer serving global clients. The company focuses on precision aluminum investment casting using the lost wax process to produce components with good dimensional accuracy and surface quality. These casting capabilities make it suitable for producing complex aluminum parts for industrial equipment, lighting systems, and mechanical applications.

ZP Aluminum offers complete manufacturing capabilities, including investment casting, die casting, sand casting, aluminum extrusion, CNC machining, and surface finishing such as anodizing and powder coating. With experienced engineering teams and flexible OEM/ODM services, ZP handles projects from mold design to final production, providing stable high-quality investment casting solutions for a wide range of industries including automotive and general machinery.

As a professional aluminum investment casting factory, the company ensures consistent production quality, reliable delivery schedules, and technical support for long-term global partnerships.

Headquarters: Leping Industrial Zone, Sanshui District, Foshan, Guangdong, China

Established: Early 2000s

Core Products & Services:

Precision aluminum investment casting using the lost wax process
Aluminum sand casting and die-cast components
Custom aluminum extrusion profiles for industrial and commercial applications
Precision CNC machining and secondary processing
OEM/ODM mold development and product customization
Anodizing, electrophoretic coating and powder-coating finishes

2. Simis Casting

Introduction:

Taiyuan SIMIS Investment Casting Co., Ltd. (Simis Casting) is a professional foundry specializing in precision investment casting and sand casting for global industries. The company applies the lost wax investment casting process to manufacture metal components with reliable dimensional accuracy and stable quality.

Combining design, casting, machining, and finishing in one integrated system, Simis serves automotive, railway, construction machinery, petrochemical, municipal engineering, and mining sectors. Based in Taiyuan, Shanxi Province, the company operates six foundries and two CNC workshops, producing around 50,000 tons annually across stainless steel, alloy steel, carbon steel, iron, and aluminum castings.

With engineering-led production and strict quality control, Simis provides high precision casting solutions for both small precision parts and large structural components, making it a dependable partner for buyers seeking a China-based precision casting manufacturer with consistent delivery.

Headquarters: Taiyuan City, Shanxi Province, China

Established: 2003

Core Products & Services:

Precision investment casting using silica sol and water-glass processes
Lost wax casting for complex metal components
Sand casting for steel and iron components
Stainless steel, alloy steel, carbon steel and aluminum castings
Precision CNC machining and post-processing
Mold and tooling development for OEM/ODM projects

3. Alu Die Casting

Top Aluminium Investment Casting Manufacturers

Introduction:

Alu Die Casting, operated by GC Precision Mold Co., Ltd., is a China-based manufacturer specializing in aluminum, zinc, and magnesium die casting, supported by CNC machining, plastic injection molding, and surface finishing services. Serving global clients, the company manages the entire production process from tooling design and casting to machining, finishing, and assembly, delivering reliable quality and cost-effective solutions for precision metal components.

Headquartered in Dongguan, Guangdong, Alu Die Casting operates multiple facilities equipped with high-pressure die casting machines up to 2000 tons, gravity casting lines, CNC machining centers, and plastic molding equipment. Its products are widely used in automotive parts, lighting housings, electronic enclosures, machinery components, and custom OEM assemblies, with alloy options including ADC12, A380, Zamak, and magnesium.

Headquarters: Dongguan City, Guangdong Province, China

Established: 1999

Core Products & Services:

Aluminum, zinc and magnesium die casting
Custom mold and tooling design for die casting production
Precision CNC machining for metal and plastic components
Plastic injection molding and secondary processing
Surface treatments including powder coating, anodizing and plating

4. RMC Casting Foundry

Introduction:

RMC Casting Foundry (Qingdao Rinborn Machinery Co., Ltd.) is a full-service metal casting and precision machining manufacturer. With multi-process capabilities including sand casting, investment casting, shell molding, lost foam casting, and vacuum casting, the company provides reliable solutions for complex and high-precision metal components.

Using advanced casting technologies such as investment casting and vacuum casting, RMC supports the production of intricate parts with stable dimensional accuracy and surface quality. Backed by an experienced engineering team and an ISO 9001 quality system, the company serves global customers across automotive, machinery, hydraulics, pump and valve, transportation, and industrial equipment sectors.

Headquarters: Qingdao, Shandong, China

Established: 1999

Core Products & Services:

Investment casting for complex precision components
Sand casting for industrial metal parts
Shell mold casting and lost foam casting
Vacuum (V-process) casting
CNC machining for ferrous and non-ferrous metals
Engineering support for process and material optimization

5. CFS Foundry

Introduction:

CFS Foundry is a manufacturer specializing in precision investment casting, die casting, and CNC machining. With multiple production lines and extensive industry experience, the company supplies custom metal components for global clients using processes such as lost wax investment casting to produce parts with reliable dimensional accuracy and surface quality.

CFS supports both low-volume and high-volume production while offering value-added services including machining, surface finishing, and engineering assistance. These integrated capabilities allow the company to deliver cost-effective and stable manufacturing solutions for industries such as machinery, automotive, and industrial equipment.

Headquarters: Ningbo, Zhejiang, China

Established: 2001

Core Products & Services:

Precision investment casting using lost wax processes
Investment casting for stainless steel, alloy steel and carbon steel
Aluminum and zinc die casting
CNC machining (3-axis / 4-axis / 5-axis)
Surface finishing and secondary processing
Engineering optimization for casting design

6. Minghe Casting

Introduction:

Minghe Casting is a manufacturing company known for its capabilities in aluminium investment casting and precision metal processing. With integrated facilities for mold development, aluminum investment casting, die casting, and CNC machining, the company produces lightweight and durable components for industries such as automotive, machinery, telecommunications, and lighting.

Using modern casting technologies and machining equipment, Minghe supports the production of complex parts that require stable dimensional accuracy and consistent quality. Its manufacturing system supports both custom designs and large-volume output, making it a dependable supplier for aluminum investment casting solutions in global markets.

Headquarters: Dongguan, Guangdong, China

Established: 1980s

Core Products & Services:

Aluminum investment casting for industrial and automotive components
Aluminum, zinc and magnesium die casting
Custom mold design and tooling development
CNC machining and precision finishing
Surface treatments including anodizing, coating and polishing

7. Innovaw Mechanical

Introduction:

Innovaw Mechanical is a manufacturing group headquartered in Ningbo, China, providing aluminum casting and precision machining solutions for global customers. With more than two decades of experience, the company operates multiple specialized facilities covering aluminum investment casting, high and low pressure die casting, gravity casting, sand casting, and CNC machining.

Its aluminum investment casting division operates complete lost wax casting process lines—from wax injection and shell making to dewaxing, pouring, and finishing—supporting stable production of complex, high-precision components for automotive, lighting, machinery, medical equipment, and industrial applications. Innovaw maintains certifications including IATF 16949, ISO 14001, and ISO 45001, ensuring consistent quality management and traceability throughout the manufacturing workflow.

As a long-term supplier in the aluminium investment casting sector, Innovaw continues to upgrade equipment and process control to meet international expectations for reliability, precision, and repeatable performance.

Headquarters: Ningbo, Zhejiang, China

Established: 2000s

Core Products & Services:

Aluminum investment casting for complex and thin-wall components
Lost wax casting for precision aluminum parts
High pressure, low pressure and gravity casting
CNC machining and precision finishing
Tooling design and mold manufacturing
Surface treatments for aluminum components

8. Besser Casting

Introduction:

Besser Casting is an investment casting manufacturer specializing in lost wax casting and precision machining. Operating a 12,000-square-meter facility with ISO 9001:2015 and IATF 16949:2016 certifications, the company produces stainless steel, carbon steel, alloy steel, tool steel, and nickel-based alloy castings for global customers.

With long-term cooperation with more than 400 customers and experience producing thousands of customized components, Besser supports industries such as construction hardware, automotive parts, valves, tools, and general machinery. Its capabilities include tooling development, rapid sampling, precision casting tolerances, and value-added machining, enabling efficient delivery of complex casting projects from prototype to mass production.

Established: 2002

Headquarters: Ningbo, Zhejiang, China

Core Products & Services:

Lost wax investment casting for stainless steel, carbon steel and alloy steels
Tooling design and mold manufacturing
Precision CNC machining and finishing
Rapid prototyping and sample development
Surface treatments including polishing, heat treatment and blasting

9. SAIVS

Introduction:

SAIVS is a long-standing manufacturer specializing in investment casting, die casting, sand casting, forging, aluminum gravity casting, and precision CNC machining. Certified with TS16949 and supported by modern melting, wax injection, die-casting, and advanced inspection equipment, the company supplies more than 12,000 tons of castings annually across over 1,000 product types.

SAIVS works with both ferrous and non-ferrous materials—including stainless steel, alloy steel, ductile iron, brass, bronze, aluminum, and zinc alloys—serving industries such as automotive, machinery, marine equipment, electrical hardware, and general engineering. Through established investment casting and machining capabilities, the company supports the production of complex components that require reliable dimensional accuracy and consistent quality.

With strong OEM/ODM capabilities, in-house tooling, and complete machining and surface treatment options, SAIVS provides full-process manufacturing from design evaluation to finished assembly.

Headquarters: Ningbo, Zhejiang, China

Established: 1989

Core Products & Services:

Investment casting, die casting, sand casting and forging
Aluminum gravity casting and precision CNC machining
OEM/ODM engineering, tooling development and prototyping
Heat treatment, coating, plating and full surface finishing
Comprehensive material range including steel, iron, aluminum and copper alloys

10. Dolin Casting Co., Ltd.

Introduction:

Founded in China with more than two decades of experience in aluminum casting, Dolin Casting Co., Ltd. provides complete manufacturing support ranging from process selection to machining and finishing. The company operates several aluminum casting processes including sand casting, gravity casting, high-pressure die casting, and low-pressure die casting, allowing it to meet different technical and production requirements across industries.

Dolin focuses on producing fully machined and tested aluminum components for applications such as automotive parts, lighting housings, electrical enclosures, furniture structures, and general industrial equipment. With in-house machining, surface treatment capabilities, and experienced engineering support, the company works closely with customers from early design evaluation through to stable mass production.

Headquarters: Zhejiang & Shanghai, China

Established: Over 20 years of operation

Core Products & Services:

Aluminum sand casting, gravity casting, high-pressure and low-pressure die casting
Custom aluminum component manufacturing with full machining
CNC machining and precision processing
Finishing options including polishing, coating, shot blasting, anodizing and heat treatment
Engineering support from concept evaluation to mass production

Aluminium Investment Casting Factories and Manufacturers in China

China has become one of the most influential centers for aluminium investment casting, supported by a mature manufacturing ecosystem and a well-developed supply chain. Using advanced precision investment casting and lost wax casting processes, Chinese foundries are able to produce lightweight yet durable components with complex geometries and reliable dimensional accuracy. With decades of industrial development, these manufacturers now supply high-quality aluminium cast parts that meet international standards for industries such as automotive, machinery, electronics, and industrial equipment.

Why Aluminium Investment Casting in China Is Highly Sought After

One of the major advantages of working with Chinese aluminium investment casting manufacturers is their strong technical background and well-developed production infrastructure. Many factories operate high-precision wax pattern injection systems, automated ceramic shell building lines, and advanced melting technologies, enabling them to produce complex components with excellent surface finish and minimal post-machining requirements.

Additionally, China’s competitive production costs make it possible for overseas buyers to obtain high quality investment casting parts without excessive spending. Even complex aerospace or customized industrial components can often be manufactured at significantly lower costs compared with Western foundries. Combined with experienced engineers, mould designers, and metallurgical expertise, Chinese suppliers can support both prototype development and large-scale production.

Main Advantages of Choosing Chinese Aluminium Investment Casting Manufacturers

Below are several key reasons why global companies rely on Chinese foundries for aluminium investment casting:

Advanced Casting Equipment: Modern factories often use automated shell production, precision ceramic mould systems, and vacuum-assisted casting processes to ensure stable casting quality.
High Precision Capabilities: The investment casting process, especially the lost wax method, allows manufacturers to produce intricate shapes and thin-wall structures with excellent dimensional accuracy.
Lower Development Costs: Tooling and mould costs in China are generally more affordable, making it easier for companies to develop new casting projects.
Strong Material Expertise: Chinese foundries commonly work with aluminium alloys such as A356, A380, and 6061, providing different strength, corrosion resistance, and weight characteristics.
Flexible Production Scale: From prototype runs to large-volume orders, manufacturers can adapt production capacity quickly according to project requirements.

Best Industrial Regions for Investment Casting in China

China is home to several industrial clusters known for precision metal casting and advanced investment casting production. Cities such as Ningbo, Qingdao, Dongying, Suzhou, and Shenzhen have developed strong foundry ecosystems supported by experienced engineers, mature supplier networks, and modern manufacturing facilities. Many leading precision casting manufacturers are concentrated in these regions.

Foreign buyers also benefit from convenient logistics networks in these cities. With access to major international ports and freight hubs, exporting aluminium cast components becomes faster and more reliable, which is essential for companies operating with global supply chains and strict delivery schedules.

How to Select a Reliable Aluminium Investment Casting Supplier

The quality of aluminium investment casting depends heavily on the manufacturer’s experience, process control, and inspection capabilities. Buyers should evaluate several factors before selecting a supplier:

Quality Certifications: Check whether the manufacturer holds ISO 9001 or other industry-specific certifications.
Engineering and Tooling Capability: Strong mould design and engineering teams help ensure stable precision casting results.
Inspection Equipment: Equipment such as CMM machines, spectrometers, X-ray testing, and pressure testing systems indicates reliable quality control.
Surface Finishing Options: Many foundries provide additional services including machining, polishing, anodizing, coating, and heat treatment.
Technical Communication: Clear and responsive communication is essential for complex custom casting projects.

Tips to Reduce Costs When Purchasing Aluminium Investment Cast Parts

To achieve more competitive pricing, buyers can optimize part designs to reduce unnecessary wall thickness and simplify overly complex features where possible. Selecting commonly used aluminium alloys instead of specialty grades may also help control material costs.

Placing larger batch orders can reduce the unit cost because tooling and setup expenses are distributed across more parts. In addition, planning production schedules ahead of time helps avoid seasonal peak periods, especially before major Chinese holidays when many factories experience increased workloads. Early coordination with suppliers can lead to better lead times and more stable pricing.

FAQ

Q1: What industries commonly use aluminium investment casting in China?

The process is widely used in aerospace, automotive, marine hardware, lighting equipment, machinery components, and medical device manufacturing.

Q2: Can Chinese foundries handle customized casting designs?

Yes. Most manufacturers specialize in custom investment casting and can develop moulds based on drawings, CAD files, or prototypes provided by the buyer.

Q3: How long does the investment casting process take?

Lead time typically ranges from 20 to 45 days depending on casting complexity, shell building time, and required finishing processes.

Q4: Are the parts ready to use after casting?

Investment castings usually require minimal machining, but manufacturers can provide full machining and finishing services if needed.

Q5: Do suppliers provide material and inspection reports?

Most reputable factories offer spectrometer analysis, dimensional inspection reports, and additional testing documents upon request.

Conclusion

China’s aluminium investment casting industry is home to many strong manufacturers offering integrated capabilities such as investment casting, die casting, CNC machining and full finishing services. These top factories support global customers with reliable quality, engineering expertise and the ability to produce both complex and high-volume aluminum components.

Across the list, leading suppliers demonstrate mature processes, modern equipment and consistent performance for industries including automotive, machinery, lighting and electronics. Their strength lies in combining casting, machining and surface treatment into one streamlined workflow.

Among them, Innovaw Mechanical stands out for its complete aluminum investment casting lines, multi-process casting options and certified quality systems. With strong engineering support and proven experience in complex, thin-wall components, Innovaw is a dependable partner for companies looking for high-precision and high-stability aluminium casting solutions in China.

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