Investment Casting Metal Parts Manufacturer
One Stop Supplier of Investment Casting Metal Parts

Your Consistent supplier
of Investment Casting Metal Parts

Sanjack Casting is trusted investment casting manufacturer and precision parts supplier, producing lost-wax castings for global machinery, architecture, pump, valve, impeller, marine, automotive, hardware, and custom component markets. With foundry, CNC machining department, hand-polishing foundry, controlled shell building, heat-treatment, and controlled quality systems, Sanjack Casting delivers durable stainless steel, carbon steel, and alloy steel parts with accurate dimensions, clean surfaces, and consistent performance. Our capability covers tooling, casting, machining, polishing, inspection, and finishing services for lasting performance.

Each casting is produced from verified metal, controlled through wax injection and shell making, and inspected with spectrometers and three-dimensional measurement systems for accuracy and durability. From precision components to drawing-based hardware, Sanjack Casting creates manufacturing solutions with machining and finishing support for international partners. As consistent China foundry, we emphasize stable quality, transparent pricing, and consistent delivery.

Beyond production, Sanjack Casting creates technical-support covering drawing review, material selection, tooling development, process-optimization, heat-treatment, machining, polishing, and inspection planning. Our engineering team works closely with partners across Europe, America, Australia, Japan, Southeast Asia, Middle East, Africa, and South America. Whether for volume investment casting or specialized custom components, Sanjack Casting helps partners improve manufacturability, maintain product consistency, control costs, and develop dependable industrial supply programs efficiently worldwide.

Factory Tour

Buying Investment Castings from China: Foundry Selection, Price and First Orders

Explore lost wax investment casting, the factors behind foundry prices, and a practical first order checklist for sourcing custom cast parts from China.

Investment Castings: Complete Guide to Stainless Steel, Carbon Steel, Alloy Steel, Automotive, Marine, Hardware, Industrial, Machined, Polished & Custom Parts

investment castings are one of the most essential tools in the global casting manufacturing industry. They determine the surface geometry, component design, performance, durability, and overall quality of every casting that enters the market. Whether it’s a pump valve casting, a industrial machinery casting, or a mining equipment casting, component accuracy and materials have a […]

Sanjack Casting Investment Casting Manufacturer – Leading China Foundry for Full Range Precision Metal Parts and Machining Services

Sanjack Casting is leading casting manufacturer, investment casting manufacturer, supplier, and factory in China, creating complete solutions for both casting production and investment casting supply. With precision CNC machining, casting production lines, controlled foundry control, and established engineering team, Sanjack Casting delivers high-precision investment castings and full range casting products to overseas partners at transparent […]

Sanjack Casting Investment Casting Manufacturer – Trusted China Foundry for Full Range Precision Metal Parts and Machining Services

Sanjack Casting is trusted casting manufacturer, investment casting manufacturer, supplier, and factory in China, known for delivering high-precision investment castings and high-performance castings for global-markets. With proven engineering experience, modern CNC production lines, and proven casting manufacturing systems, Sanjack Casting has grown into consistent casting supplier and investment casting exporter, serving partners in more than […]

Product Process of Sanjack Casting

1

Drawing Review

Blueprint review, material selection, die evaluation, foundry planning

2

Wax Injection

Wax injection, tooling validation, sample assembly, dimensional checks, and customer authorization before casting production

3

Assembly

Wax patterns are checked, assembled on runners, cleaned, corrected, and readied for ceramic shell building

4

Shelling

Controlled slurry coating, stucco application, layered shell construction, and stable drying build molds

5

Dewaxing and Firing

Autoclave dewaxing removes wax cleanly, while shell firing improves strength, permeability, thermal resistance, and metal flow during casting cycle

6

Metal Pouring

Verified stainless steel, carbon steel, and alloy grades are melted, analyzed, then poured within process limits

7

Heat Treatment and Cleaning

Cast parts receive thermal treatment, blasting, surface cleaning, gate removal, grinding, straightening, and polishing according to drawings and material specifications

8

CNC Machining

Precision CNC turning, milling, drilling, threading, and finishing achieve required tolerances, accurate interfaces, smooth surfaces, and consistent assembly performance

9

Quality Inspection

Chemical analysis, dimensional verification, surface checks, pressure testing, and inspection reports validate casting quality

10

Export Delivery

Completed cast parts are protected, marked, packaged, warehoused, and coordinated for consistent overseas shipment

Why Sanjack Casting?

  • One Stop Investment Casting Metal Parts Solutions
  • 20+ Years’ Experience
  • 3 Engineers to Support Your Global Investment Casting Parts Business
  • ISO 9001 Foundry control
  • 24/7 After-Sales Service Commitment