... .(2) Metal processing: stamping, deep drawing , spot or seam welding, spinning, metal assembly are available.(3) Surface finish : ... hot-dip, and polishing and so on.(4) Equipment: We own laser machine 2 sets, CNC punch ... ISO9001-2008, CWB-- "Certification of Companies for Fusion Welding of Steel" , EN287-1 certification.(6) We are ... -precision sheet metal stamping part communication equipment parts