Sand casting iron valve parts 1)abundant experience in casting production 2)high-standard technician team 3 ... any metal or alloy parts,such as stainless steel,carbon steel,ductile iron,melleable iron,aluminum,brass,bronze ... stainless steel, carbon steel,aluminium,brass etc.standardDIN, ASTM, BS, JIS etc.processsand casting,resin bonded casting, investment casting(lost wax casting), die casting, ...