... 3.TUV certificate. Product detailsWe are a supplier of quality metal castings and our businessis to manufacture castings according to ... drawings or samples. 1)Material:Stainless steel,Alloy steel,High Nickel and Chromium steel,Carbon steel,Special material as ... ,430F,430,440A.2)Process:Investment casting, silicasol casting or lost wax casting,water glass casting and sand casting;3)Standard:ASTM,JIS,DIN ...