... steel,stainless,bress,copper etc.3)Process/treatment:cutting,galvanizing,stamping,perforating,bending,welding,power coating,anodizing,treating againest oxidation.4)High precision metal ... Bending machine), CNC shears, Pressure Riveting machine, welding equipment, lathe, milling machine, ... Quality Management SystemSafety Certification for Electronics Product -Armstrong Su MF0015 high precision sheet metal ...