OEM casting_iron 1.Cast iron&cast steel,bronz,Aluminium 2.ISO9001:2000 3.Sand cast,lost wax casting,die casting 4. ... ;BS-Gr370-17,Gr420-12,Gr500-7,Gr600-3,Gr700-2;NF-FGS370-12,FGS400-12,FGS500 ... -7,FGS600-3,FGS700-2;Green-sand mouldingResin-sand mouldingLost foam ... raw casting(2)Hardness checking after heat treatment(3)Dimensions testing after maching(4)drawings→mould making→ ...