Investment Casting Manufacturer Leesh Holdings delivers superior precision components through advanced lost wax investment casting processes. With decades of experience, we serve global clients in aerospace, medical, automotive, and energy sectors with complex, high-tolerance metal parts.
Why Choose Our Investment Casting Services?
As a leading Investment Casting Manufacturer, we combine experienced process and well-maintained equipmentto produce near-net-shape parts that minimize machining costs and material waste. Our ISO 9001 certified foundry ensures consistent excellence in every batch.
Investment Casting Process & Capabilities
We excel in the full lost wax investment casting process — from wax pattern creation and ceramic shell building to pouring, heat treatment, and CNC machining. Our facilities support intricate geometries, thin walls, and superior surface finishes that sand casting or die casting cannot match.
Materials & Custom Solutions
- Stainless Steel Investment Casting
- Carbon Steel & Alloy Steel Casting
- Aluminum and Superalloy Precision Parts
- Titanium Investment Casting for critical applications

Investment Casting Manufacturer Technical Specifications
| Parameter | Specification | Details |
|---|---|---|
| Casting Process | Lost Wax / Investment Casting | Ceramic Shell Technology |
| Materials | Stainless, Carbon, Alloy, Aluminum, Titanium | Custom alloys available |
| Weight Range | 0.01 kg – 150 kg | Precision up to ±0.05mm |
| Surface Roughness | Ra 1.6 – 6.3 μm | Polishing & Machining available |
| Tolerance | CT4 – CT7 | ISO 8062 Standard |
| Production Capacity | 500+ tons/month | Low to High Volume |
| Certifications | ISO 9001, IATF 16949, PED | Aerospace & Medical compliant |
Applications of Our Investment Casting Parts
Our precision components are widely used in turbine blades, pump impellers, valve bodies, medical implants, and automotive engine parts. As a trusted Investment Casting Manufacturer in China, we export worldwide with reliable lead times.
Ready to optimize your supply chain with high-quality investment castings? Contact Leesh Holdings for custom solutions tailored to your exact specifications.
Leesh Holdings: Professional Investment Casting Manufacturer for Custom Investment Casting Services
Leesh Holdings provides top-tier investment casting service (lost wax casting) for global industrial clients, delivering high-precision, complex metal components with consistent quality, cost efficiency, and reliable lead times.
With years of manufacturing experience and advanced production facilities, we specialize in custom investment casting solutions for aerospace, automotive, medical, machinery, marine, and other high-demand industries.
Leesh Investment Casting Process

Core Advantages of Our Investment Casting Service
✅ One Stop Solution
Full service from tooling manufacturing to finish machining, providing you with total solutions.
✅ Global Service
Professional English-speaking team with at least 5 years of global customer service experience.
✅ Experienced Engineers
Mature engineer training system, knowledgeable, energetic and enthusiastic technical support.
✅ Well-Maintained Equipment
Strict equipment maintenance ensures stable and reliable product quality and consistent performance.
✅ Cost & Production Efficiency
Low rejection rate and optimized process bring the best balance between cost and benefit for global customers.
✅ Professional Inspection & Testing
Complete quality inspection including material, dimension, NDT, scanning and strict testing for every product.
Technical Specifications & Parameters
| Manufacturing Method | OEM Investment Casting Services (Lost Wax Casting) |
| Material Standard | GB, ANSI, BS, DIN, JIS, ASTM, ASME, AISI, etc |
| Main Materials | Carbon steel, Low carbon steel, Middle carbon steel, G35, G45, WCB, WCA, WCC, ISO 340-550, etc. Alloy Carbon steel: G25CrMo4, Heat Resistant Steel, etc. Stainless Steel: SUS 304, 304L, 316, 316L, CF8, CF8M, G-X7CrNiNb1189, AS2074 or according to customer specific requirement. Copper, Brass, Bronze |
| Weight Range | 0.01 kgs to 100 kgs |
| Cast Hole Min. Dia. | Ø2mm |
| General Casting Tolerance | CT4-CT7 |
| Design Software | UG, Pro-E, Inventor |
| Dwg Format | STP, STEP, IGS, STP, X_T, DXF, DWG, Pro/E, PDF, SLDPRT |
| Mould Manufacturing | Yes |
| Casting Simulation | Yes |
| Ultimate machining tolerance | 0.005mm |
| Quality Control | RT, UT, MT, PT, CMM, SCAN, Chemical and Mechanical Property Testing, Spectrometer, etc |
| Finish Roughness | Ra1.6-Ra3.2 according to customer requirement |
| Logo/ID | Silk-screening, Laser Marking, Engrave, Painting |
| Heat Treatment | Normalization, Annealing, Quenching and Tempering, Case Hardening, Nitriding, Carbon Nitriding, Induction Quenching, etc |
| Surface Treatment | Shot/sand blast, Polishing, Surface Passivation, Painting, Anodizing, Powder coating, ED-Coating, Chrome Plating, zinc-plate, Dacromat coating, Finish Painting, hot-dip galvanizing, etc |
Our Investment Casting Services Scope
- Custom investment casting for metal parts (0.01kg – 100kg)
- Precision CNC machining & secondary processing
- Surface treatment: polishing, sandblasting, painting, passivation, plating
- Non-destructive testing (NDT), dimensional inspection & material certification
- Prototype & mass production solutions
Applicable Industries
Automotive
Medical Equipment
Industrial Machinery
Marine & Shipbuilding
Valve & Pump Parts
Construction Hardware
Quality Assurance
Leesh Holdings implements strict quality control systems certified by ISO 9001. Every casting part undergoes full inspection to ensure dimensional accuracy, material consistency, and performance stability for your critical applications.
Contact Us for Investment Casting Quote
Send your 2D/3D drawings to get a fast and professional custom solution!
