Investment casting is renowned for its high precision, exceptional casting capabilities, and many other advantages. With the advancement of industry, China has become one of the world’s leading exporters of precision castings, and the scale of this industry continues to grow. This article will introduce the top ten investment casting manufacturers in China for 2026, helping you identify reliable suppliers of castings that offer excellent service and are capable of building long-term partnerships.
Why Choose a Chinese Investment Casting Supplier？
China’s investment casting industry has evolved to the point where its products are exported to countries around the world, and its advantages are clear. From a well-established supply chain and highly cost-effective casting costs to stable delivery times, every aspect demonstrates the corporate strength of China’s investment casting manufacturers.
Stable Supply of Raw Materials
China boasts the world’s largest and most comprehensive industrial infrastructure. For investment casting, this means that the procurement of raw materials—from the wax and silica sol mold materials used in the process to various casting metals—is both convenient and stable. This reduces procurement lead times at the source, ensuring a reliable supply chain.
Cost-effective through Economies of Scale
Compared to foundries in Europe and the United States, Chinese factories hold a significant advantage in casting costs. This is not only due to lower labor costs in China but also benefits from the effects of massive industrial clusters. Our lower tooling thresholds significantly reduce trial-and-error costs during prototype development and small-batch trial production for new projects.
Stringent Quality Control
Today, most Chinese investment casting foundries are equipped with comprehensive in-house non-destructive testing capabilities. Top-tier Chinese suppliers are fully capable of providing comprehensive material spectroscopic analysis, mechanical property testing, and even air-tightness testing for pump and valve castings, ensuring quality that meets or exceeds your project requirements.
Scalability and Flexible Production Capacity
Whether it’s a small order of a few dozen pieces or mass production needs of tens of thousands, Chinese investment casting foundries can handle it. With flexible production line configurations and timely workforce adjustments, we guarantee on-time delivery for your projects.
Top 10 Investment Casting Foundries in China
Pingheng Foundry
Location: Ningbo, Zhejiang, China
Established: 1999
Website: https://phfoundry.com/
Main Products & Services: Stainless Steel casting, Bronze Investment Casting, Brass Casting, Rapid Prototype Casting, CNC Machining, etc.
Company Profile
Established in 1999, Ningbo Pingheng Machinery has specialized in investment casting for 27 years. The company now operates two facilities—a foundry and a machining plant—covering an area of over 9,000 square meters, with an annual production capacity of 2,400 tons. It offers customers a one-stop service ranging from design to casting and machining.
They primarily offer a wide range of precision castings, including stainless steel (304/304L, 316/316L, 17-4PH) castings, tin bronze castings, and silicon bronze castings. With IATF 16949 certification, they are capable of customizing parts for various industries, including automotive, rail, medical, and marine casting, and specialize in the manufacture of castings with airtightness requirements.
Pingheng Machinery is equipped with comprehensive testing facilities and can provide chemical composition reports (including material composition), dimensional reports, heat treatment reports, and mechanical property reports for your projects, ensuring the quality of your products.
Impro Precision
Location: Hong Kong, China
Established: 1998
Website: https://www.improprecision.com/
Main Products & Services: Investment Casting (Over 1000 Metals), 3D Printing Technology, Surface Treatment, and Precision Machining.
Company Profile
JC Casting
Location: Dongyin, Shandong, China
Established: 1997
Website: https://www.jccasting.com/
Main Products & Services: Stainless Steel Casting, Carbon Steel Casting, Alloy Steel Casting, Mechanical Processing, CNC Machining, Surface Finishing, etc.
Company Profile
JC Casting is one of China’s leading investment casting foundries and manufacturers, offering a full range of services from prototyping to mass production. Its core materials include stainless steel, aluminum, bronze, brass, and titanium alloys; 90% of its castings are exported overseas, and the company has extensive experience in project delivery.
The company serves industries including automotive, aerospace, energy, mechanical engineering, and medical technology, offering tailored casting solutions for your industry’s challenges with strong customization capabilities. JC Casting is ISO 9001 certified and, backed by robust casting expertise and a rigorous quality management system, consistently delivers high-quality castings to overseas customers.
Dawang Metals
Location: Cangzhou, Hebei, China
Established: 1998
Website: https://dawangmetals.com/
Main Products & Services: Metal Fabrication Service, Custom Machining Service, Stainless Steel Casting, Carbon Steel Casting, Manganese Steel Castings, Ductile Iron Casting, and Alloy Steel Castings.
Company Profile
As a leading Chinese metal manufacturer and international investment casting supplier, Dawang Metals operates three casting facilities with a combined area of over 120,000 square meters, and its supply chain spans Singapore, Europe, Japan, South Korea, and other regions worldwide. The company processes a wide range of materials, including stainless steel (201, 410, 304, 316, 2205, etc.), carbon steel, manganese steel, alloy steel, and ductile iron, supplying high-quality castings to more than ten industries, including agriculture, automotive, petroleum, and construction.
Dawang Metals has obtained numerous certifications, including ISO 9001, ISO 14001, OHSAS 18001, IATF 16949, PED, AD 2000, and DNV/GL. Leveraging its exceptional casting capabilities and comprehensive services, the company consistently delivers parts to customers across five continents.
Dongying Vast Precision Casting
Location: Dongying, Shandong, China
Established: 2003
Website: https://vast-cast.com/
Main Products & Services: Stainless Steel Casting, Carbon Steel Casting, Alloy Steel Casting, Specialty Alloys, CNC Machining, Heat Treatment, Surface Finishing.
Company Profile
Since 2003, Vast Precision Casting has specialized in investment casting, offering customers one-stop custom services to streamline their supply chains. The company casts materials including stainless steel, carbon steel, alloy steel, as well as specialty alloys such as bronze and aluminum, providing solutions for mission-critical sectors including medical, marine, automotive, pump and valve, and food processing.
Vast Precision Casting has an annual production capacity of 1,000 tons, and mold costs are waived for orders exceeding 1,000 pieces. Whether you need castings with wall thicknesses as thin as 0.020 inches or products smaller than 0.25 inches, Vast Precision Casting can deliver.
Taiyuan Simis Investment Casting
Location: Taiyuan, Shanxi, China
Established: 2004
Website: https://www.simiscasting.com
Main Products & Services: Stainless Steel Investment casting, Carbon Steel investment Casting, Aluminum Investment Casting, Copper investment casting, etc
Company Profile
Located in Taiyuan, Shanxi Province, SIMIS excels in precision casting of cast iron and carbon steel thanks to its unique geographical advantages (abundant mineral resources).
The foundry is a specialized enterprise integrating R&D and production, with six affiliated foundries and two dedicated CNC machining shops, offering a full range of services from mold design and casting to machining and assembly. Castings produced by SIMIS are widely used in various industries, including automotive, engineering, petrochemicals, mining, and power generation.
RMC Casting Foundry Co., Ltd
Location: Huangdao, Qingdao, China
Established: 1999
Website: https://www.casting-foundry.com/
Main Products & Services: Cast Iron Casting, Steel Casting, Aluminium Casting, CNC Machining, Heat Treatment, Surface Finish.
Company Profile
RMC is a precision foundry that supplies castings to customers worldwide. With its own foundry, forging, and machining facilities, the company offers a full range of services, from casting pattern design, tooling, prototyping, pilot production, and mass production to quality control, logistics, and after-sales service. The company can produce steel castings weighing up to 0.5 tons and iron castings weighing up to 1 ton, with the capability to process a wide range of alloy materials, including cast iron, stainless steel, alloy steel, copper alloys, and nickel-cobalt alloys.
The castings produced by this supplier serve multiple industries, including agriculture, pumps and valves, automotive, and railways. Its value-added services include machining as well as post-processing techniques such as surface treatment and heat treatment.
Dongguan Cast Dream
Location: Huangdao, Qingdao, China
Established: 1999
Website: http://www.steelprecisioncast.com/
Main Products & Services: Urethane Casting, Vacuum Casting, CNC Prototyping, Surface Treatment, Steel Casting.
Company Profile
Cast Dream is a professional team specializing in steel investment casting and machining. Its product range spans multiple industries and sectors, including automotive, rail, telecommunications, pumps and valves, pipe fittings, aerospace, and marine. The company can help you optimize your entire casting solution—from product design, casting, and machining to heat treatment and surface finishing—to minimize your project costs.
Cast Dream prioritizes its overseas clients. With an annual production capacity exceeding 1,800 tons, more than half of its products are exported overseas, and they have received consistent praise from international customers.
Cheonseng Precision Foundry Co., Ltd.
Location: Dongying, Shandong, China
Established: 2007
Website: https://www.cs-cast.com/
Main Products & Services: Alloy Poured, Die & Tooling Making, Precision Machining, Metal Finishing.
Company Profile
Cheonseng Precision Foundry Co., Ltd. specializes in stainless steel castings, carbon steel castings, cobalt-based castings, nickel-based castings, and tool steel castings. The company has an annual production capacity of over 400 tons of precision castings, with more than 90% of its output exported to the United States, Canada, Japan, Australia, and other regions. The company serves industries including automotive parts, marine components, high-speed rail parts, and architectural hardware. Having obtained ISO 9001 and IATF 16949 certifications, it is a trusted supplier of castings.
Dongying Hengke Precision Metal Co., Ltd.
Location: Dongying, Shandong, China
Established: 1988
Website: https://www.haihecasting.com/
Main Products & Services: Stainless Steel Casting, Carbon Steel Casting, Precision Machining, and Surface Treatment.
Company Profile
Dongying Hengke Precision Metal Co., Ltd. is an investment casting manufacturer based in Shandong, China, specializing in steel castings (including stainless steel, carbon steel, and alloy steel). The company is certified to ISO 9001 and TS 16949. The company offers a full range of services, including mold design, casting, machining, and heat treatment. It primarily supplies high-quality investment castings to the pump and valve, food machinery, automotive parts, marine equipment, and petrochemical equipment industries, and is highly regarded by international clients seeking a reliable Chinese foundry partner.
Key Considerations When Choosing a Precision Casting Supplier in China
When considering a supplier of investment castings in China, focus on the following key factors.
Foundry Expertise
The investment casting industry relies heavily on accumulated experience. Experienced foundries take a more comprehensive approach to pouring system design and quality control, effectively reducing the occurrence of investment casting defects and ensuring more consistent product quality.
Material Capabilities
Different alloys exhibit vastly different casting properties. A top-tier investment casting manufacturer must possess the capability to handle these alloys and ensure material compliance and traceability.
Customization
Modern industrial design demands increasingly complex geometries and thin-walled structures, requiring our investment casting suppliers to possess robust technical capabilities—ranging from rapid prototyping to core-making—to meet requirements for non-standard tolerances and surface finishes.
Production Capacity
Strong production flexibility means that an investment casting foundry can handle small-batch orders of just a few dozen pieces while also ensuring on-time delivery of thousands of castings. Furthermore, a supplier with robust production capacity can grow alongside your company, ensuring supply chain stability even as your order volume increases with business expansion.
Integrated Machining Capabilities
Investment casting blanks typically do not meet the precise tolerances required for final assembly. Therefore, selecting an investment foundry with in-house machining services can fundamentally eliminate errors caused by cross-factory collaboration and streamline your supply chain.
Quality Certifications
A foundry’s quality certifications are a strong indicator of its capabilities, particularly in demanding industries such as pumps and valves or aerospace, where relevant certifications serve as a powerful endorsement of the foundry’s expertise.
Engineering Support
Beyond DFM, a capable investment casting company should also provide services such as prototyping and fixture design to ensure the efficient progression of casting projects.
Conclusion
The above is a list of the top ten investment casting manufacturers in China that we have compiled for you. Choosing a trustworthy investment casting supplier—especially one with whom you intend to establish a long-term partnership—requires careful consideration of various factors. We hope this information proves helpful to you.
If you are still unsure about finding a reliable investment casting supplier, Pingheng Machinery is a company you can trust. We have long provided high-quality investment castings to buyers across the country and have received excellent feedback. We are able to provide full project support, ensuring a prompt response. Should any issues arise, we will address them immediately and do our utmost to resolve them for you. Please feel free to contact us at any time; we look forward to working with you.
FAQ
What are the primary cost estimation factors for investment casting in China?
The cost of investment casting primarily depends on factors such as the complexity of your project’s mold, order volume, material selection, and secondary processing requirements. A detailed analysis based on your specific project is required.
When should welded parts be replaced with investment-cast parts?
If your castings require structural integrity, lightweight design, or complex geometries, we recommend choosing investment castings. This approach eliminates the heat-affected zone (HAZ) associated with welding and reduces the risk of leaks. You can read our blog post “Weldments vs Investment Castings: Why Welding Assemblies Fail and When Should They Be Replaced?” to learn more.
In the investment casting process, defect prevention begins at the engineering stage. Foundries typically provide rigorous gating system designs and mold flow simulations to minimize the occurrence of defects. For porosity and shrinkage cavities, ensuring proper venting of the casting and maintaining precise temperature control during pouring to facilitate directional solidification can effectively prevent their formation.
What level of surface finish is achievable directly from the lost-wax process?
Depending on the specific investment material and wax type selected during casting, the surface finish of investment castings can achieve an excellent Ra of 3.2 to 6.3 micrometers (125–250 RMS).
Does the choice of industrial wax impact the final casting quality?
Yes, different types of wax exhibit varying rates of dimensional shrinkage and surface characteristics during the casting process. Selecting the appropriate casting wax based on the specific requirements of the project can yield twice the results with half the effort.
How are stainless steel castings cleaned post-pouring?
After the casting is removed from the mold, specific mechanical or chemical methods must be used to clean the stainless steel casting. This restores the casting’s properties and ensures its service life.
