casting,mateiral ductile iron of QT700 casting,precision casting+machining1,material:iron,brass,steel,stainless steel aluminum etc,as per customers'requirement2,Investment casting,sand casting,permanenr casting,forgings3,machining:CNC turning,CNC milling,CNC drilling,CNC boring4,weight:0.2-60kg5,surface treatment:sand blast,electrophoresis,zinc plated6,Heat treatments:tempered or annealed, ...