Are you a small or medium-sized enterprise (SME) buyer hunting for reliable steel casting partners in China?Do you need custom steel castings to launch new products, scale your project, or replace costly local suppliers?If you’ve spent hours scrolling through Google, sifting through hundreds of supplier websites, and still feel overwhelmed by inconsistent quality, unclear MOQs, or hidden costs—this guide is for you.
We’ve analyzed hundreds of Chinese steel casting websites, cross-referenced Google’s top recommendations, and distilled the insights into a curated list of the Top 10 Steel Casting Companies in China tailored specifically for global SME buyers. No fluff, no generic lists—just actionable, SME-focused insights to help you find the right partner, fast.
| Company Name | Best Fit Scenarios | SME Procurement Advice |
|---|---|---|
| Dawang Metals | Automotive, rail transport, medium-high complexity projects | Batch ≥ 500 pcs, prioritize one-stop service |
| Ningbo Qianhao | Construction machinery, large structural parts | Long-term cooperation, lock annual framework price |
| Huawei Casting | Rail transport, high-precision complex parts | Batch ≥ 1000 pcs, plan production schedule in advance |
| CFS Foundry | Hydraulic valve bodies, precision pump bodies, complex small parts | Small batch (≥ 100 pcs) preferred |
| Besser Casting | Automotive hardware, building accessories, small-medium parts | Book orders 3 months in advance during peak season |
| RMC Foundry | Construction machinery, valves, wear-resistant alloy large parts | Large structural parts priority |
| Liaoning Borui | Agricultural machinery, pumps & valves, cast iron parts | First choice for cast iron parts, control material range |
| Impro | Aviation, hydraulics, medical core components | Cooperate only with long-term stable orders |
| EASIAHOME | Building hardware, sanitary ware, door & window fittings | Multi-category home hardware procurement |
| INNOVAW | Startups, R&D prototyping, small batches | Sample orders, first choice for small batch trial production |
1. Dawang Metals

Established: 1998
Headquarters: Dandong, Liaoning, China
Main Products & Services
Investment casting, sand casting, shell mold casting, CNC machining, metal fabrication, welding, stainless steel casting, carbon steel casting, alloy steel casting, ductile iron casting.
Company Overview
Dawang Metals is a leading one-stop steel casting and metal fabrication supplier in China, particularly strong in investment casting for complex and high-precision steel components. With over 25 years of experience, the company operates multiple casting factories and provides fully integrated services from casting to machining and assembly.
For global SME buyers, Dawang stands out for its engineering-driven approach, helping customers optimize materials, reduce costs, and improve product performance. The company is well-known for supplying OEM parts to industries such as automotive, agriculture, construction, and rail.
Its strong global supply chain and certifications (ISO9001, IATF16949, PED) make it a reliable partner for buyers seeking consistent quality, export experience, and turnkey solutions.
2. CFS Foundry

Established: 2001
Headquarters: Ningbo, Zhejiang, China
Main Products & Services
Investment casting (lost wax), silica sol casting, water glass casting, heat treatment, machining, surface treatment, alloy steel and stainless steel castings.
Company Overview
CFS Foundry is recognized for its expertise in precision investment casting with high dimensional accuracy and superior surface finish. The company operates both silica sol and water glass casting lines, allowing flexibility in balancing cost and precision.
For SME buyers, CFS is particularly suitable for projects requiring complex geometries, tight tolerances, and material diversity, including alloy steels and specialty metals. Their ability to deliver casting plus post-processing services (machining and heat treatment) helps simplify procurement.
CFS is also export-oriented, serving customers in over 20 countries, making it a practical choice for international buyers seeking cost-effective yet high-quality precision casting solutions.
3. Besser Casting

Established: Not widely disclosed
Headquarters: China
Main Products & Services
Steel casting, investment casting, machining, custom metal parts manufacturing.
Company Overview
Besser Casting focuses on delivering custom steel casting solutions tailored to international OEM requirements. The company is known for its flexibility in handling small-to-medium production runs, making it suitable for SME buyers with customized needs.
Its strength lies in responsive engineering support and adaptable production processes, enabling clients to develop prototypes and transition into mass production efficiently.
For overseas buyers, Besser Casting provides value through competitive pricing, customization capability, and responsive communication, which are critical factors when sourcing from China.
4. Huawei Investment Casting

Established: 1993
Headquarters: Ningbo, Zhejiang, China
Main Products & Services
Investment casting, lost wax casting, lost foam casting, shell molding, sand casting, machining, steel casting components.
Company Overview
Huawei Investment Casting is a large-scale manufacturer specializing in multi-process steel casting production, integrating casting and machining across several facilities. The company operates multiple foundries and machining plants with an annual capacity exceeding 25,000 tons.
It is particularly strong in handling diverse casting processes, allowing buyers to select the most suitable method based on cost, complexity, and performance requirements.
For global SME buyers, Huawei offers scalable production capacity, stable quality, and strong export experience, making it a good partner for both medium and high-volume procurement projects.
5. Ningbo Qianhao Metal

Established: 1993
Headquarters: Ningbo, Zhejiang, China
Main Products & Services
Investment casting, lost wax casting, lost foam casting, shell molding, CNC machining, welding, sheet metal fabrication, assembly, steel and iron castings.
Company Overview
Ningbo Qianhao Metal is a large-scale, fully integrated manufacturer known for its one-stop solution capability combining casting, machining, fabrication, and assembly. With six factories and an annual capacity of over 50,000 tons, it is one of the most comprehensive steel casting suppliers in China.
The company excels in producing high-value-added and complex steel components, serving industries such as automotive, railway, construction machinery, and energy equipment.
For SME buyers, Qianhao offers significant advantages in supply chain integration, cost control, and large-scale production capability. Its familiarity with international standards (ASTM, DIN, EN, JIS) makes it particularly suitable for export-oriented procurement.
Additionally, its advanced inspection systems and certifications (ISO9001, IATF16949) ensure consistent quality for demanding global applications.
6. Impro Industries

Established: 1998
Headquarters: Hong Kong (Global HQ) / Wuxi, Jiangsu, China
Main Products & Services
Precision investment casting, sand casting, high-precision CNC machining, surface finishing, stainless steel and alloy steel components, automotive parts, aerospace components, industrial equipment parts.
Company Overview
Impro Industries is one of the most internationally recognized Chinese manufacturers in the field of high-end precision steel casting and machining. The company focuses heavily on investment casting combined with advanced CNC machining, delivering components that require tight tolerances, complex geometries, and high performance.
Its core strength lies in serving industries with strict technical requirements, such as automotive, aerospace, and energy equipment. Impro is well known for its advanced automation systems, digital production management, and full traceability, which ensure consistent quality across large production runs.
For global SME buyers, Impro is particularly suitable for projects where quality, precision, and long-term reliability are more critical than lowest cost. The company’s engineering team can assist with design optimization, material selection, and manufacturability improvements, helping buyers reduce defects and lifecycle costs.
Additionally, its extensive experience working with international OEMs means it is highly familiar with global standards (ASTM, ISO, DIN) and export compliance, making it a low-risk choice for buyers entering complex supply chains.
7. RMC Foundry (Rinborn Machinery Co., Ltd.)

Established: 1999
Headquarters: Qingdao, Shandong, China
Main Products & Services
Investment casting (lost wax), sand casting, shell mold casting, precision machining, heat treatment, surface treatment, stainless steel, carbon steel, and alloy steel casting components.
Company Overview
RMC Foundry (Rinborn Machinery) is a highly versatile supplier known for its ability to provide multiple casting processes under one roof, enabling buyers to choose the most cost-effective manufacturing method based on product design and performance requirements.
The company is particularly strong in custom-engineered steel casting parts for small-to-medium batch production, making it an ideal partner for SME buyers who need flexibility rather than mass production.
RMC stands out for its engineering-oriented service model, supporting customers from drawing review and process selection to final machining and inspection. This helps overseas buyers reduce sourcing complexity and avoid common technical risks.
With experience exporting to Europe and North America, the company is familiar with international material grades and quality standards, and provides detailed inspection reports, which are critical for buyers requiring transparency and quality assurance.
8. Liaoning Borui Machinery Co., Ltd.

Established: 2005
Headquarters: Shenyang, Liaoning, China
Main Products & Services
Large-scale steel casting, sand casting, heavy machinery components, mining equipment parts, wear-resistant steel castings, heat-resistant alloy castings.
Company Overview
Liaoning Borui specializes in heavy-duty and large-size steel castings, with a strong focus on industries that operate under extreme conditions, such as mining, cement, and metallurgical equipment.
The company is particularly known for its expertise in producing high-strength, wear-resistant, and heat-resistant alloy steel components, which are critical for extending equipment lifespan in abrasive and high-temperature environments.
Its production capabilities include large sand casting facilities and advanced heat treatment processes, allowing it to handle complex, thick-section castings with demanding mechanical properties.
For SME buyers in heavy industry sectors, Borui offers strong value in durability-focused engineering, competitive pricing for large components, and stable supply capacity for bulk orders. It is especially suitable for buyers sourcing replacement parts or custom heavy equipment components.
9. EASIAHOME

Established: 2002
Headquarters: Qingdao, Shandong, China
Main Products & Services
Steel casting, iron casting, CNC machining, OEM metal parts, construction hardware, agricultural machinery parts, industrial components.
Company Overview
EASIAHOME is an export-focused manufacturer that positions itself as a practical and flexible sourcing partner for global SME buyers, particularly those looking for cost-effective steel casting solutions.
The company’s strength lies in its ability to deliver custom OEM metal parts with flexible minimum order quantities and competitive pricing, making it accessible for small and medium-sized businesses.
EASIAHOME is experienced in producing a wide range of casting components for industries such as construction, agriculture, and general machinery, offering balanced quality suitable for standard industrial applications.
For overseas buyers, the company provides value through responsive communication, simplified procurement processes, and the ability to handle mixed orders, which is particularly useful for buyers managing multiple SKUs or diverse product lines.
10. INNOVAW

Established: 2010
Headquarters: Ningbo, Zhejiang, China
Main Products & Services
Precision investment casting, lost wax casting, CNC machining, stainless steel and alloy steel parts, customized metal components.
Company Overview
INNOVAW is a modern and agile manufacturer specializing in precision investment casting combined with machining for customized metal parts, with a strong focus on serving international SME clients.
The company is particularly strong in handling complex, small-to-medium batch orders, making it suitable for product development stages, prototyping, and niche applications where flexibility is essential.
INNOVAW emphasizes fast quotation, short lead times, and engineering responsiveness, helping buyers accelerate product development cycles and reduce time-to-market.
Its expertise in stainless steel and alloy steel casting allows it to produce high-precision components with good surface finish and dimensional accuracy, while maintaining competitive pricing.
For SME buyers, INNOVAW represents a strong option when prioritizing customization, speed, and close supplier collaboration, especially for new product launches or low-to-mid volume production runs.
FAQ
1. Why recommend these 10 companies for SMEs?
Handpicked from hundreds of Google-recommended sites, they offer SME-friendly perks: flexible MOQs, transparent pricing, export experience, one-stop services, and focus on small-batch customization (unlike large foundries prioritizing high-volume orders).
2. Typical MOQs for these companies?
- INNOVAW: No MOQ (sample orders, ideal for prototyping).
- CFS Foundry/Besser Casting: 100–500 pieces (small-batch friendly).
- Dawang/Ningbo Qianhao/Huawei: 500–1000 pieces (better pricing for long-term orders).
3. Do they support custom steel casting for SMEs?
Yes, all specialize in custom casting with free engineering support. Highlights: CFS/Impro for precision; RMC for material variety; Besser/INNOVAW for fast small-batch customization (7–15 days sampling).
4. Certifications & export suitability?
All have ISO 9001; 4 (Dawang/Ningbo Qianhao/Besser/INNOVAW) have IATF 16949. Nearly all (except Liaoning Borui) have rich export experience, complying with ASTM/DIN/EN/JIS.
5. Delivery cycle?
- Sampling: 7–15 days (EASIAHOME/INNOVAW/CFS).
- Small batches (100–500): 30–45 days (Besser/CFS).
- Medium-large batches (500+): 45–60 days (Dawang/Ningbo Qianhao/Huawei).
Note: Peak seasons (Q3–Q4) add 10–15 days; lock orders in advance for Besser.
6. How to choose the best company for my SME?
- Material: Liaoning Borui (iron); Dawang/RMC (stainless/alloy steel); Impro (high-end alloys).
- Order size: Sample → INNOVAW; small batch → CFS/Besser; large batch → Qianhao/Huawei.
- Industry: Construction hardware → EASIAHOME; automotive → Dawang/Besser; high-end → Impro.
7. Hidden costs to watch for?
- Tooling fees ($500–$5,000); some waive for long-term orders (e.g., Besser).
- Small-batch shipping: Ask for consolidated logistics options.
- Specialized quality testing may incur extra fees—clarify in advance.
8. Do they offer after-sales support for SMEs?
Yes, all provide SME-tailored support: quality problem solutions, order progress updates, and technical guidance for casting usage.