... have cooperated with North America ,Western Europe and other area for many years and have already established friendly and mutual benefit ... -12,etcGreen-sand mouldingResin-sand mouldingLost foam castShell-core castElectric-furnace smeltingGrey ironcastingsASTM A48-No.20,25,30 etc.DIN GG10 ... ,FGL250,etcGreen-sand mouldingResin-sand mouldingLost foam castShell-core castElectric-furnace smelting