... sand casting,auto sand casting line2) Material:----Grey iron,GG15,GG20,GG25,GG30Ductile iron GGG40 GGG50,GGG60,GGG70 EN 1596 EN1563,ASTM ... & Engineering& Automotive industry6) Part Unit Weight range:0.5Kg~1000kg7) Wall thickness requirements: min 3mm, 8) Manufacturer certification: ISO9001 (2000) Professional ...