1. material: carbon steel 2. Processing: stamping, bending,welding assembly 3. Finish: zinc plated 4. Punch 5T to 400T ... steel (hot rolled,cold rolled,strip steel), stainless steel, aluminum, brass ,etc 2. Porcessing: Stamping, punching, bending, welding, threading, grinding ,milling, machining ... . Certificate: GS , ISO9000-2001. Customized Sheet Metal Products, stamping parts,welding parts