... valve body and disc CastingsCast iron and cast steel,aluminium and bronze castingMaterial:Cast steel,ductile iron,grey iron ... ,aluminium and bronze alloyMethod:Sand cast,lost wax castingStandard:ASTM, ... certificate:ISO9001:2000,TS16949We can supply all kinds of steel castings, ductile iron and grey iron castings, aluminium and bronze castings ...