... . (2) Passed ISO: 9001-2000 . (3)Wax and send casting . casting componentsCATERPILLAR E200B, E312, E315, E320, E325, E330, E345, E350 ... Carbon steel, Brass low alloy steel, Non-ferrous , Ductile cast iron and so on .Process: Wax injection Wax weldingDipping ... treatmentPainting Packing .Quality: Adopt manufacturing process of investment casting , Coated sand, and Resin-bonded sand , technology of ...