#1 INVESTMENT CASTING MANUFACTURER IN CHINA
Redstone Manufacturing’s investment casting facility in China is committed to delivering the best-in-class buying experience from start to finish. Continue reading on to learn more about our unique approach to the investment casting process, and how our US-based sales-staff can help you optimize tariff costs, and demystify the buying process of investment casting services in China.

INVESTMENT CASTING IN CHINA – SIMPLIFIED
THE LIST OF INVESTMENT CASTING COMPANIES IN CHINA IS ENDLESS...
With China’s investment casting industry consisting of more than 600 manufacturers spread out from Shanghai to Beijing, and Guangzhou, the process of selecting an investment casting vendor in China can be overwhelming. Here at Redstone Manufacturing, we simplify the buying process and reduce the risk of working with foreign manufacturers. With headquarters in the USA and investment casting manufacturing facilities in China, our buyers receive guaranteed delivery backed by a US-based company with a US-based sales force they can trust. Combined with Redstone Manufacturing’s supply chain, tariff consulting, and diverse investment casting production capabilities, the end result is significant cost savings and reduced risk during your investment casting process from start to finish.

OUR INVESTMENT CASTING FACILITY IN CHINA HAS THE FOLLOWING CAPABILITIES
| SIZES AVAILABLE | 0.010 Kg to 180 Kg |
| MATERIALS AVAILABLE | Gray iron, ductile iron, stainless steel, alloy steel, carbon steel, aluminum. |
| TOLERANCE | +/- 0.015″ (0.387 mm) |
| LEAD TIME | 8-12 weeks |
| SURFACE FINISHES AVAILABLE | Hot Dip Galvanizing, Metal Plating, Black Oxide, Powder Coating, Electrophoretic Deposition, Anodizing |



China Investment Casting: High-Precision Metal Components for Complex Designs
Redstone Manufacturing partners with leading china investment casting foundries to deliver high-precision, near-net-shape metal components for demanding industries worldwide. Our network of ISO-certified suppliers ensures exceptional accuracy, repeatability, and surface detail, making investment casting a top choice for components with intricate geometries and tight tolerances. With Redstone, you gain the cost advantages of investment casting china combined with strict Western-quality oversight and project management.
Description of the Investment Casting Process
Investment casting—also known as lost-wax casting—is a precision process used to produce detailed metal components with excellent dimensional accuracy. It begins by creating a wax pattern of the part, which is assembled onto a tree and coated with ceramic slurry. Once the shell hardens, the wax is melted out and replaced with molten metal. After cooling, the ceramic shell is removed, revealing a highly accurate casting.
Our china investment casting factory network uses advanced process controls, including:
- Automated wax-injection systems
- Ceramic shell building lines
- Vacuum-assisted casting for high-alloy materials
- Multi-stage finishing and heat treatment
- Comprehensive dimensional and metallurgical inspection
This advanced process ensures that each part meets strict mechanical and aesthetic requirements.
Why Choose Redstone for China Investment Casting
While many suppliers exist in Asia, Redstone stands out by combining engineering expertise, supply-chain transparency, and rigorous quality control across all china investment casting suppliers. Customers choose us because we provide:
- Access to trusted, thoroughly vetted china investment casting foundry partners
- On-site quality inspection teams based in China
- Support for stainless steel, carbon steel, alloy steel, and specialty metals
- Lower cost without compromising accuracy or mechanical performance
- Design-for-manufacturing guidance to optimize casting geometry
- Consistent production quality, even in high-volume runs
- End-to-end logistics and shipping support
This unique combination positions Redstone as a reliable china investment casting company for customers seeking precision, reliability, and efficiency.
How to Order Investment Casting Services From China
- Submit your CAD files and specifications
Provide drawings, material preferences, and tolerance requirements. - Receive a detailed quotation
We evaluate tooling needs, material selection, surface finish, and production volume. - Tooling and wax pattern development
High-precision molds are produced for accurate pattern reproduction. - Sample production
First-article castings are created and inspected to validate dimensions and surface quality. - Full-scale production
Once approved, the selected china investment casting factory begins production. - Quality inspection and reporting
Redstone conducts multi-stage inspections, including dimensional checks and composition testing. - Packaging and delivery
Products are packaged to protect surface finishes and shipped worldwide.
Detailed Types of Investment Casting Services
Our network provides a wide range of china precision investment casting capabilities:
Stainless Steel Investment Casting
Ideal for corrosion-resistant parts used in food processing, marine hardware, and medical components.
Carbon Steel and Alloy Steel Investment Casting
Suitable for mechanical components requiring high strength, durability, and wear resistance.
Precision Investment Casting China
Ultra-precise components with tight tolerances for aerospace, automotive, and defense applications.
Small and Complex Geometry Casting
Perfect for parts requiring fine details, thin walls, and intricate internal shapes.
Heat-Resistant and Specialty Alloy Casting
Used in high-temperature applications such as turbines, industrial furnaces, and energy systems.
Available Finishes
Investment castings can be delivered as-cast or fully finished. Available finishing options include:
- CNC machining
- Polishing
- Passivation
- Heat treatment
- Sandblasting or shot blasting
- Powder coating
- Painting
- Electroplating and anodizing (depending on material)
- Deburring and smoothing
- Custom finishes by request
Applications of China Investment Castings
Components produced through investment casting china are used across a wide range of industries thanks to their precision and superior surface detail. Typical applications include:
- Aerospace brackets and housings
- Automotive engine components
- Energy-sector hardware
- Valves, pumps, and fluid-control components
- Medical and surgical instruments
- Industrial machinery parts
- Defense and firearm components
- Marine and corrosion-resistant equipment
- Architectural hardware
These applications benefit from the excellent accuracy and mechanical stability provided by investment casting.
Advantages of Investment Casting
Investment casting is a preferred method for creating intricate components with excellent finish quality. Advantages include:
- Ability to produce highly complex shapes with fine detail
- Tight tolerances and excellent dimensional accuracy
- Smooth surface finishes that reduce machining requirements
- Compatibility with a wide range of metals and high-performance alloys
- Consistent repeatability for large production runs
- Reduced waste and material usage
- Ability to cast thin walls and lightweight structures
With Redstone’s engineering support and trusted china investment casting suppliers, you gain a reliable, cost-effective solution for producing world-class precision castings.
Additional Redstone Investment Casting LOCATIONS

redstone
India





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Changed from Brochure to Newsletter on 8/12/24