Sand casting iron valve parts 1)abundant experience in casting production 2)high-standard technician team 3) ... iron. Anyway we can do any metal or alloy parts,such as stainless steel,carbon steel,ductile iron ... .05 - 5000kg.4.Moulding Process: green sand casting,resin bonded casting, , compression casting, investment casting(lost wax casting), die casting, pressing & forging etc. Machining: complete ...