... . 3.material: carbon steel, stainless steel, brass.. auto stamping partsOEM serviceMaterials: carbon steel, stainless steel, aluminum, brass and ... bronze ally, copperProcess: cutting, stamping, perforating, bending, weldingWith different treatment, polishing, zinc plating, nickel ... ISO 9001Packing: carton, wooden pallet or as your requirement auto stamping part