Sand casting iron valve parts 1)abundant experience in casting production 2)high-standard technician ... parts,such as stainless steel,carbon steel,ductile iron,melleable iron,aluminum,brass,bronze etc.2.Standard: DIN, ASTM, ... 5000kg.4.Moulding Process: green sand casting,resin bonded casting, , compression casting, investment casting(lost wax casting), die casting, pressing & forging etc. Machining: ...