Product

Factory Direct Investment Casting | Precision Alloy Casting

Factory Direct Investment Casting for Precision Alloy Casting Parts

Leesh specialize in customized Factory Direct Investment Casting and high-performance Precision Alloy Casting for industrial sectors worldwide. As a professional casting foundry, we independently complete all production procedures, abandoning intermediate distributors. Our Factory Direct Investment Casting effectively controls product cost, quality and delivery cycle, providing clients with affordable and high-quality alloy casting components.

Complete Production Process of Our Factory Direct Investment Casting

Our Factory Direct Investment Casting adopts lost wax casting method, covering wax pattern making, shell coating, professional shell baking, dewaxing, high-temperature pouring and finished processing. The core procedure shell baking is critical for Precision Alloy Casting, which removes residual moisture and wax inside the ceramic shell, improves overall shell hardness, and effectively prevents cracks, pores and other casting flaws.

Available Materials & Applications for Factory Direct Investment Casting

To satisfy diverse industrial demands, our Factory Direct Investment Casting supports multiple alloy materials, including stainless steel, carbon steel, dual-phase steel and heat-resistant alloy. The qualified Precision Alloy Casting parts are widely applied in auto accessories, valve bodies, pump parts, mechanical equipment and engineering hardware. We accept OEM and ODM services, and can produce parts according to your drawings or physical samples for small-batch trials and large-scale bulk orders.

Why Choose Our Factory Direct Investment Casting Service

1- One-stop service

2-Direct factory pricing

3- Flexible customization solutions

Stainless Steel Investment Casting Impeller for Centrifugal Pump Submersible Pump

Leesh Holdings: Professional Top Investment Casting Manufacturers

Leesh Holdings provides top Lost Wax Casting Manufacturer (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

Aerospace
Automotive
Medical Equipment
Industrial Machinery
Marine & Shipbuilding
Valve & Pump Parts
Construction Hardware

Quality Assurance

Leesh Holdings implements strict quality-every casting part under full inspection to ensure dimensional accuracy, material consistency, and performance stability for your critical applications.

Send your 2D/3D drawings to get a fast and professional custom solution!