... ,iron,steel,stainless,bress,copper etc.3)Process/treatment:cutting,galvanizing,stamping,perforating,bending,welding, ... have CNC punch press, CNC press brake (Bending machine), CNC shears, Pressure Riveting machine, welding equipment, lathe, milling machine, ... :2008 Quality Management SystemSafety Certification for Electronics Product -Armstrong Su MF0016 high precision copper sheet metal parts copper ...