... etc 2.technique:silicon sol investment castin cf8 stainless steel precision casting 1.ISO9001:2000 Approved2.technique:silical sol technique/ lost-wax ... ,ETC4.Standard:ASTM,AISI,DIN,JIS etc5.strict material inspection6.precision dimension control7.tolerance:ISO8062 CT4-68.Weight range:0.05 ... :303,304,304L,316,316L,CF8,CF3,CF8M,CF3M,1.4308,1.4408,1.4404,SCS13,SCS14,CD4,5AA etcCS:C20, C40, C45 ...