... sand2.Material: gray iron casting,ductile iron casting,iron casting,carbon steel casting,white steel casting,steel casting,aluminum alloy casting,brass casting or on request ... gray iron forging,ductile iron forging,iron forging,carbon steel forging,white steel forging,steel forging,aluminum alloy forging,brass forging or on request of customer3.equipment of forging:die forging hammer,free forging ...