... SC,SS IN SAND,PRECISION/INVESTMETN CASTING OEM SERVICE steel casting valve parts,industrial corporation 1.We are manufacturer ... be reached cast iron,grey iron,ductile iron,steel,carbon steel,stainless steel,copper,brass,bronze,aluminum,zinc etc. the line ... parts,parts. Vessel parts etc.. 2.Product instruction: • Material:steel casting • Process:sand casting,precision/investment casting • Standard:ASTM ...