wate pump for car and truck casting, or forgings steel or ductile rion cnc machining oil pump for truck1,material:alloy steel,brass,gray iron,ductile iron etc2,Investment casting,sand casting,,forgings3,machining:CNC turning,CNC milling,CNC drilling,CNC boring4,weight:0.2-60kg5,surface trearment:sand blast,electrophoresis,zinc plated6,Heat treatments:tempered or annealed,induction hardened,harden ...