... 9001-2000 approved Item name High stasndard sheet metal part Material Steel,stainless steel,aluminum,brass,etc Making process ... CNC Punching,CNC Bending,Tig Welding,Mig welding,Riveting,Grinding,Stamping,Assembing,etc Surface treatment Powder coating,Hot galvanized ... extrusion presscold press;Cold press;Turning machines,Milling machines,Grinding machines,Oil hydrulic pressService type OEM ODM file ...