Grey iron casting valve parts 1)abundant experience in casting production 2)high-standard technician ... we can do any metal or alloy parts,such as stainless steel,carbon steel,ductile iron ... casting,resin bonded casting, , compression casting, investment casting(lost wax casting), die casting, pressing & forging etc. Machining: complete machining such as Machining center, CNC, Lathe, Milling machine ...