... 5.Quality Assuranc Using Stainless Steel casting 1. Materials:carbon steel, alloy steel, stainless steel, brass, brozen and other special steel materials2. Usage: auto&motocycle ... Resin SandINVESTMENTCASTINGSodium Silicone (Water galss)Stainless Steel, Carbon Steel, Special Alloy Steel Bronze,Brass, AluminumSilica SolFORGINGHammer ForgingStainless Steel, Carbon Steel, Alloy Streel, Brass, ...