Does your project require custom precision metal castings? If you have this need, then it is recommended that you choose a metal casting manufacturer or supplier in China to serve you. The metal castings produced in China are not only high in quality but also very reasonable in price, it is your best choice!
Next, this article will introduce you to the excellent metal casting manufacturers and suppliers in China in 2025. Through the information provided in the article, you can contact them to get the best offer!
Why Are Chinese Metal Casting Manufacturers so Popular?
Honestly, it mostly comes down to cost and capability. China produces over 50% of the world's metal castings by volume, and for good reason — labor and material costs mean you're typically looking at 30–50% savings compared to equivalent suppliers in the US or Europe, without necessarily sacrificing quality.
The country has built up decades of foundry infrastructure, so you get access to virtually every casting process — investment casting, sand casting, die casting, lost foam — plus a wide material range from gray iron and stainless steel through to titanium, all from suppliers who already hold ISO 9001 or IATF 16949 certifications and have years of export experience. For most global buyers, that combination of price, process coverage, capacity, and certification is simply very hard to match anywhere else.
Top 10 Custom Metal Casting Manufacturers in China 2026
Sourcing custom metal castings from China gives buyers access to competitive pricing, broad process coverage, and large production capacity — but choosing the right supplier takes more than a Google search. This list covers 10 established China-based metal casting manufacturers and suppliers, each verified through their official websites. Whether you need investment casting, die casting, sand casting, or CNC-machined finished parts, these companies represent reliable options worth evaluating in 2026.
- 1. Besser Casting Ltd.
- 2. Baoding Guokun Metal Casting Factory
- 3. Supro MFG (China Metal Foundry)
- 4. RMC Foundry (Rinborn Machinery Co.)
- 5. JC Casting
- 6. CNM Tech (The Die Casting)
- 7. Dolin Casting Co., Ltd.
- 8. Dawang Metals
- 9. Wing Kam Foundry (HK) Ltd.
- 10. Besser Casting – Featured China Investment Casting Supplier
1. Besser Casting Ltd.
Website: www.bessercasting.com
Established: 2002
Headquarters: Zhejiang, China
Main Products & Services: Lost wax investment casting, stainless steel casting, carbon steel casting, alloy steel casting, tool steel casting, nickel alloy casting, CNC machining, surface treatment, casting simulation, custom tooling
Company Overview:
Besser Casting is a dedicated investment casting manufacturer based in Zhejiang, China, with over 20 years of experience in the lost wax (lost wax) casting process. The factory covers 12,000 square meters and employs around 170 technical personnel. They hold IATF 16949:2016 and ISO 9001:2015 certifications — two quality standards that matter particularly for automotive and precision industrial buyers. Besser can cast parts in a wide range of alloys including stainless steel, carbon steel, alloy steel, tool steel, and nickel-based materials. Their in-house workflow runs from casting simulation and tooling through production, secondary CNC machining, and surface treatment, covering the full supply chain without outsourcing. They have supplied custom metal castings to over 400 companies across more than 10 countries, with experience covering 4,000+ product types in varied structures and materials. Tolerance control reaches ±0.005 inch, making them a solid option for precision casting projects. Industries served include automotive parts, construction hardware, valve components, agricultural equipment, and hydraulic parts.
Who It's For: Buyers looking for a reliable China investment casting supplier with dual automotive-grade certifications (IATF 16949 + ISO 9001), in-house machining, and the ability to handle complex multi-material casting projects from prototype to volume production.
2. Baoding Guokun Metal Casting Factory
Website: www.metalcastingfactory.com
Established: Est. 25+ years (late 1990s)
Headquarters: Baoding, Hebei, China
Main Products & Services: Investment casting (lost wax), sand casting, CNC machining, steel castings, iron castings, aluminum castings, bronze castings, pump castings, valve castings, motor castings, gearbox castings, hydraulic castings, agricultural castings
Company Overview:
Baoding Guokun is an ISO 9001-registered iron and steel casting foundry located in Baoding, Hebei — a major manufacturing hub in northern China. With more than 25 years of casting experience and a monthly production capacity of 10,000 kg, they are capable of handling consistent medium-volume orders. Their core processes include investment casting (lost wax) and sand casting, supported by in-house CNC machining for finished or semi-finished parts. Material coverage is broad: carbon steel, cast iron, aluminum, and bronze, making them a versatile China metal casting factory for buyers with mixed material requirements. Their product categories span pump parts, valve bodies, motor components, gearbox parts, hydraulic cylinders, and agricultural machinery castings — all sectors where sourcing from a single reliable foundry reduces supplier management complexity. They export to international markets and accept both small and large orders.
Who It's For: Procurement teams sourcing steel or iron castings for industrial equipment — especially pumps, valves, motors, or agricultural machinery — who need a China casting factory with multi-process capability and a track record in OEM production.
3. Supro MFG (China Metal Foundry)
Website: chinametalfoundry.com
Established: Est. 25+ years (approx. late 1990s)
Headquarters: Shanghai, China
Main Products & Services: Investment casting, die casting, CNC machining, 3D printing prototypes, metal prototype casting, casting mold making, surface treatment, heat treatment — in aluminum, stainless steel, steel, iron, copper, and zinc alloys
Company Overview:
Supro MFG is a Shanghai-based custom metal casting foundry with over 25 years of experience, holding ISO 9001:2015 and IATF 16949 certifications. What sets them apart from many China metal casting suppliers is their breadth of service: they offer investment casting, pressure die casting, CNC machining, 3D printing prototypes, and mold making under one roof, making them a genuine one-stop metal casting solution. Material coverage includes aluminum alloy, stainless steel, carbon steel, grey and ductile iron, copper alloys, and zinc. Their rapid prototype casting service is particularly useful for product development teams who need cast parts quickly before committing to full production tooling. Surface treatment and heat treatment services round out their offering, reducing the need for buyers to manage multiple vendors. Their client base spans industries including automotive, aerospace, electronics, and general industrial manufacturing.
Who It's For: Companies — from startups to large OEMs — who want a full-service China metal casting manufacturer that can support both rapid prototyping and scaled production in multiple materials and processes, all from a single supplier in Shanghai.
4. RMC Foundry (Rinborn Machinery Co.)
Website: www.steel-foundry.com
Established: 1999
Headquarters: Qingdao, Shandong, China
Main Products & Services: Investment casting, sand casting, shell mold casting, lost foam casting, vacuum casting, CNC machining — in stainless steel, alloy steel, carbon steel, grey iron, ductile iron, brass, bronze, nickel alloy, cobalt alloy, and aluminum
Company Overview:
Founded in 1999 in Qingdao, RMC Foundry (Rinborn Machinery Co.) is one of the more technically diversified China metal casting companies on this list. They operate five distinct casting processes — investment casting, sand casting, shell mold casting, lost foam casting, and vacuum casting — plus an in-house CNC machining facility. This multi-process capability means buyers can consolidate casting requirements across different complexity levels and order volumes with a single Chinese foundry supplier. Material coverage is also exceptionally wide, spanning stainless steel (including duplex grades), carbon and alloy steel, grey iron, ductile iron, brass, bronze, nickel alloys, cobalt alloys, and aluminum. RMC serves a diverse set of end markets including oil and gas, marine, mining, construction, and food processing — sectors that require reliable castings with strong material traceability. Their quality system includes comprehensive in-house inspection and they publish detailed process documentation on their website, which is helpful for engineers evaluating suppliers.
Who It's For: Engineers and procurement professionals who need a technically capable China steel casting foundry with multi-process coverage, broad alloy capability, and experience supplying parts for demanding industrial and marine applications.
5. JC Casting
Website: www.jccasting.com
Established: 2010 (est.)
Headquarters: China (exact city not publicly listed)
Main Products & Services: Investment casting (silica sol and water glass processes), sand casting, die casting, CNC machining — in stainless steel, carbon steel, alloy steel, brass, bronze, ductile iron, grey iron, aluminum, and titanium; serving agricultural, automotive, pump & valve, food machinery, marine, medical, military, mining, railway, and oil & gas sectors
Company Overview:
JC Casting is a precision casting manufacturer and CNC machining supplier in China with a clear engineering-focused approach. They offer both silica sol investment casting (higher precision, better surface finish) and water glass investment casting (lower cost for less critical parts) — a distinction that helps buyers optimize cost without sacrificing quality where it matters. Beyond investment casting, JC Casting also covers sand casting and die casting, along with full CNC machining for finished components. Their material range is unusually wide and includes titanium casting, which few China casting factories offer. Industries served span a broad spectrum, from agricultural and automotive through to medical, military, oil and gas, and railway — which signals capacity to meet demanding sector-specific quality requirements. JC Casting emphasizes engineering collaboration with clients, offering technical consultation to optimize casting designs for manufacturability before tooling begins.
Who It's For: Buyers who need a precision investment casting supplier in China with the ability to handle technically complex parts across a wide range of alloys — especially those requiring silica sol casting quality or exploring titanium casting options.
6. CNM Tech (The Die Casting)
Website: www.thediecasting.com
Established: Est. 20+ years
Headquarters: Dongguan, Guangdong, China
Main Products & Services: High-pressure die casting in aluminum, magnesium, and zinc; CNC machining; mold design and tooling; surface finishing; assembly — serving automotive, aerospace, electronics, home appliances, and industrial sectors
Company Overview:
CNM Tech is a Dongguan-based China die casting manufacturer specializing in high-pressure die casting (HPDC) for aluminum, magnesium, and zinc alloys. They hold IATF 16949:2016 certification, which means their quality management system meets automotive-grade standards — relevant for buyers supplying OEM automotive or electronics components. Their facility is located in Dongguan, Guangdong — a region with deep supply chain infrastructure for die casting tooling, secondary machining, and surface finishing. CNM Tech provides a full-cycle service from mold design through casting, CNC machining, and surface treatment, reducing the coordination burden for international buyers who need ready-to-assemble parts. Their experience covers complex thin-wall parts and structural components where dimensional accuracy and surface quality are critical. They work with both small-batch development orders and high-volume production programs.
Who It's For: Buyers sourcing aluminum or zinc die cast parts from China for automotive, electronics, or consumer product applications — particularly those who need IATF 16949-certified quality and full-service support from tooling through finished part delivery.
7. Dolin Casting Co., Ltd.
Website: www.dolincasting.com
Established: 1998
Headquarters: China (Guangdong region)
Main Products & Services: Aluminum sand casting, gravity die casting, high-pressure die casting, low-pressure die casting, CNC machining, finishing services — producing automotive parts, light fixture components, electrical enclosures, patio furniture parts, ornamental castings, medical equipment parts, marine parts, heat sinks, pipe fittings, hydraulic parts
Company Overview:
Dolin Casting is a specialist aluminum casting company in China, focused exclusively on aluminum alloy casting and its downstream processing. Founded in 1998, they have over 25 years of experience in aluminum casting and operate all four major aluminum casting processes: sand casting, gravity die casting, high-pressure die casting (HPDC), and low-pressure die casting (LPDC). This process range allows them to match the right casting method to part complexity and order volume — sand casting for prototypes and low volumes, HPDC for high-volume thin-wall parts, and gravity or low-pressure casting for parts requiring better mechanical properties. All castings are available fully machined and finished, ready for direct use or assembly. Their product portfolio is broad: automotive parts, electrical enclosures, outdoor furniture castings, ornamental components, light fixtures, medical equipment housing, marine parts, heat sinks, and hydraulic components. Most products are exported to North American, European, Australian, and Asian markets, and they work with both large OEMs and smaller custom orders.
Who It's For: Buyers who specifically need custom aluminum casting parts from a China aluminum foundry — whether small architectural or decorative pieces, functional industrial components, or fully machined aluminum parts ready for assembly.
8. Dawang Metals
Website: dawangmetals.com
Established: 1998
Headquarters: China (with international operations registered as Dawang Metals Pte Ltd)
Main Products & Services: Investment casting, sand casting, shell casting, CNC machining, metal fabrication, welding — in stainless steel (304, 316, 316L, duplex 2205, 17-4PH, etc.), carbon steel, alloy steel, manganese steel, ductile iron, gray iron; serving agriculture, automotive, construction machinery, petrochemical, railroad, and valve industries
Company Overview:
Dawang Metals is a well-established China metal casting manufacturer and fabrication supplier with 25 years of operating history. Their material depth in stainless steel is notably strong — they stock and cast a wide range of stainless grades including 304, 316, 316L, duplex 2205, 17-4 PH, CF8, and CF8M, which is useful for buyers in corrosion-sensitive applications like petrochemical, food processing, and marine environments. Beyond stainless, they also produce carbon steel, alloy steel, manganese steel (often used in high-wear mining and crushing applications), ductile iron, and gray iron castings. Their processes include investment casting, sand casting, shell mold casting, and CNC machining, as well as metal fabrication and welding services — making them suitable for projects that combine cast and fabricated metal components. Application experience spans agricultural machinery, automobile parts, construction equipment, railroad components, valve bodies, and petrochemical fittings. They operate globally and position themselves as both a manufacturer and international supplier.
Who It's For: Buyers who need a China stainless steel casting supplier with deep grade coverage, or those sourcing manganese steel or alloy steel castings for high-wear industrial applications. Also suitable for projects combining casting and metal fabrication in a single supply chain.
9. Wing Kam Foundry (HK) Ltd.
Website: www.wingkam.com
Established: 2005
Headquarters: Shenzhen, Guangdong, China (registered as Wing Kam Foundry (HK) Ltd.)
Main Products & Services: Bronze casting, stainless steel casting, aluminum casting, iron casting, assembly casting, CNC machining — serving water treatment, wind power, automation, propeller manufacturing for boats, pump & valve, robotics, tank truck, and window & door hardware sectors; TUV certified
Company Overview:
Wing Kam is a custom metal casting and machining supplier based in Shenzhen with a Hong Kong-registered entity — a structure that makes international trade documentation and communication with overseas buyers more straightforward. Established in 2005, they specialize in custom-designed cast engineering components for international markets. Their material coverage spans bronze, stainless steel, aluminum, and iron, and they offer assembled casting units — cast parts that come pre-assembled and ready to install, which reduces buyer-side assembly work. Wing Kam holds TUV certification, a European quality standard that carries weight for buyers selling into EU markets. Their customer base includes companies in water treatment, wind energy, marine propeller manufacturing, robotics, and pump and valve production — industries where cast components often face demanding operational conditions. Their machining capability allows them to deliver finished parts with tight dimensional control, reducing rework at the buyer's end.
Who It's For: International buyers — particularly those in Europe or targeting EU-regulated markets — who need a TUV-certified China casting supplier with flexible material options, assembly services, and experience in engineering-grade applications like marine, automation, or energy equipment.
10. Dandong Foundry (Liaoning Borui Machinery Co., Ltd.)
Website: www.metals-china.com
Established: 1958
Headquarters: Donggang City, Dandong, Liaoning, China
Main Products & Services: Gray iron castings, ductile iron castings, cast steel, aluminum castings, sand casting (green sand, shell molding, resin sand, static-pressure automatic molding), lost wax investment casting, CNC machining, finish machining — serving tractor, truck, agricultural machinery, construction machinery, mining machinery, pump & valve, pipe fittings, boiler, crane, tugboat, and electrical equipment industries
Company Overview:
With over 65 years of foundry history, Dandong Foundry is among the most experienced China iron casting suppliers on this list. Based in Liaoning Province, they operate large-scale automatic molding lines with a combined annual capacity exceeding 30,000 tons — suited for medium-to-high volume orders. Process coverage includes green sand, shell, resin sand, and lost wax investment casting, backed by in-house CNC machining and a full quality inspection lab (spectrometer, ultrasonic testing, X-ray flaw detection). Their 2,000+ product types span agricultural machinery, mining equipment, pumps, valves, flanges, and pipe fittings, with a proven export track record to the US, Germany, UK, Australia, and Japan.
Who It's For: Buyers sourcing gray iron or ductile iron castings at volume from a large-scale China casting foundry with 60+ years of production history and strong inspection capability.
How to Choose a China Metal Casting Manufacturer
When evaluating custom metal casting companies in China, focus on these factors:
Process match: Make sure the foundry's core process fits your part design. Investment casting (lost wax) suits complex, precision parts with tight tolerances. Sand casting is better for larger, lower-tolerance parts at lower tooling cost. Die casting is ideal for high-volume, thin-wall aluminum or zinc parts.
Material certification: Ask for material test reports and check whether the foundry uses a spectrum analyzer to verify alloy composition before pouring. This is standard practice at reputable China casting factories and protects you from off-grade material.
Quality certifications: ISO 9001 is the baseline. IATF 16949 is required for automotive supply chains. TUV certification matters for EU market entry. Verify certificates are current and cover the specific casting processes you're buying.
Factory vs. trading company: Always confirm you're dealing with a direct metal casting factory in China, not a middleman. Factory suppliers offer better pricing, faster problem resolution, and more reliable delivery. Ask for a factory tour video or third-party audit report if you can't visit in person.
Secondary services: A China casting supplier that also offers in-house CNC machining, heat treatment, and surface finishing can deliver near-finished or fully finished parts — reducing your total supply chain steps and the risk of quality variation between vendors.
Conclusion
Finding a good supplier of metal castings is not an easy task these days. We hope this metal casting suppliers list will be helpful to you.
If you have related customization needs, you can contact us. As a top metal casting manufacturer in China, we can provide you with cost-effective services and solutions!
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