... :2008 Material: GGG40,GGG50 Process:sand casting ASTM,JIS,DIN,GOST,GB standard sand casting ductile iron 450-101.Material: grey ironGG15,GG20,GG25 ... ,GG30,ductile iron 400-18,450-10, ... 500-7 2.Weight: 2-1000kgs3.Process: sand casting,Vacuum casting and lost foam casting Our Advantage ...