... ,CNC Punching,CNC Bending,Welding,Riveting, Grinding,Stamping, Assembling,etc. Surface treatment: Powder coating,Hot galvanized,Painting,Polishing,Brushing,Cataphoresis,Chrome ... arc weldingPressure riveting machineServe type OEM ODMFile formats: Pro/Engineer, Solid Works, Auto CAD new Custom Sheet Metal/case,chassis,cabinets