... ISO 9001-2000 approved Item name High stasndard sheet metal part Material Steel,stainless steel,aluminum,brass,etc Making process Laser ... ,Mig welding,Riveting,Grinding,Stamping,Assembing,etc Surface treatment Powder coating,Hot galvanized,Painting,Polishing,Brushing,Cata phoresis,Chrome/Zink/Nicket ...