1.ISO9001:2008 certification 2.OEM service for auto stamping parts. 3.material: carbon steel, stainless steel, brass.. auto stamping partsOEM serviceMaterials: ... stainless steel, aluminum, brass and bronze ally, copperProcess: cutting, stamping, perforating, bending, weldingWith different treatment, polishing, zinc plating, nickel ... : carton, wooden pallet or as your requirement auto stamping part