1)grey iron,ductile iron,steel,stainless steel 2)Process:Sand cast,Investment cast 3)OEM service 4)100% inspection & control casting,casting ... ,investment casing,resin sand casting,lost foam castingmaterial:grey iron,ductile iron,malleable iron,steel,stainless steel,various brass & aluminium,etcproducts application ... order acceptedpacking:wooden crates Parts of valve casting --- steel pipe fitting