China Changrui Precision Investment Casting uses investment casting process and precision machining & surface treatment technical to produce thousands of metal investment casting parts with the materials Carbon steel , Stainless steel , Alloy steel and Heat - resistant steel .
Changrui Investment Casting Company is one experience castings manufacturer who uses the lost wax - silica sol shell craft ( the quality of this kind of castings superior to the water glass craft castings ) and Changrui is good at producing and manufacturings the complex metal precision castings .
Changrui Investment Casting process & machining perform ISO 9001:2000 system strictly to guarantee the requirement of customers .
Changrui Investment Casting process and machining with an output 60 tons per month precision metal castings including lost wax castings , precision machining and surface treatment metal products exports to all over the world .
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