Investment Casting Supplier Leesh Holdings specializes in providing high-precision metal components through advanced lost wax casting technology. We support global buyers with reliable quality, competitive pricing, and flexible production capabilities.
Why Choose Leesh as Your Investment Casting Supplier
As a professional Investment Casting Supplier, we combine modern facilities with strict quality management to deliver consistent, high-tolerance parts that meet international standards. Our clients benefit from reduced machining needs and lower overall costs.
Investment Casting Supplier Process & Capabilities
We offer complete custom precision investment casting supplier services — from wax pattern design and ceramic shell molding to pouring, heat treatment, CNC machining, and surface finishing. This full-service approach ensures complex geometries and excellent surface quality.
Materials & Custom Solutions
- Stainless Steel Investment Casting Supplier
- Carbon Steel and Alloy Steel Casting
- Aluminum and Superalloy Precision Parts
- Titanium Investment Casting Components
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 | Tolerance ±0.05mm |
| Surface Roughness | Ra 1.6 – 6.3 μm | Polishing & Finishing |
| Tolerance Standard | CT4 – CT7 | ISO 8062 |
| Production Capacity | 500+ tons/month | Low to High Volume |
| Certifications | ISO 9001, IATF 16949, PED | Aerospace & Medical |
Applications
Our custom precision investment casting supplier services are widely used in aerospace, automotive, medical devices, oil & gas, and industrial machinery. As a top investment casting supplier in China, we provide reliable global delivery.
Contact Leesh Holdings for your stainless steel investment casting supplier needs.
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!

