Casting 1.Cast iron&cast steel,bronze,Aluminium 2.ISO9001:2000,TS16949 3.Sand cast,lost wax ... valve body and disc CastingsCast iron and cast steel,aluminium and bronze castingMaterial:Cast steel,ductile iron,grey iron,aluminium and bronze alloyMethod:Sand ... can supply all kinds of steel castings, ductile iron and grey iron castings, aluminium and bronze castings with machining such as electromotor ...