... carbon steel (hot rolled, cold rolled, strip steel), stainless steel, aluminum, brass ,etc2. Processing:Stamping, punching, bending, welding, threading, grinding ... , Electrophoresis, Paints and primers, blacking, etc5. Industry: these parts are used in Automotive, Electrical, Building, Furniture, Machine assembly, ... US and Europe countries.8. Certificate: ISO9001:2008. high quality metal stamping parts