stainless steel valves casting part Process:Investment casting material: stainless steel ,carbon steel OEM ... service ISO9001 Product Name: stainless steel 304/316 valves casting part Materials: carbon steel, alloy steel, stainless steel,Ductile iron ... 40 daysPlace of Origin: Ningbo,ChinaSoftware for specification drawings: PDF, Auto CAD, Solid work,JPG,ProeMain production equipments:wax injection, CNC ...