... ,iron,steel,stainless,bress,copper etc.3)Process/treatment:cutting,galvanizing,stamping,perforating,bending,welding, ... lathe, milling machine, surface grinder, universal grinder, radial drill. We have technical office, production sector and quality control ... :2008 Quality Management SystemSafety Certification for Electronics Product -Armstrong Su MF0016 high precision copper sheet metal parts copper ...