(1) excavator casting parts (2) Passed ISO: 9001-2000 . (3)Wax and send casting . excavator casting partsCATERPILLAR E200B, E312, E315, E320, E325, E330 ... , SHANGONG, XIAGONG, LINGONG ,LONGGONG.Material: stainless steel, Cast iron, Carbon steel, Brass low alloy steel, Non-ferrous , Ductile ... cast iron and so on .Process: Wax injection Wax weldingDipping Sand ...