... to manufacture castings according to the customer's requirement,drawings or samples. 1)Material:Stainless steel,Alloy steel,High ... Nickel and Chromium steel,Carbon steel,Special material as customer's requirement; 202,303,304,316,ASTM A743 ... 430F,430,440A.2)Process:Investment casting, silicasol casting or lost wax casting,water glass casting and sand casting;3)Standard:ASTM,JIS,DIN,BS ...