... steel, Making process: Laser cutting,CNC Punching,CNC Bending,Welding,Riveting, Grinding,Stamping, Assembling,etc. Surface treatment: Powder coating,Hot galvanized ... CNC punch pressCNC bending machineCarbon dioxide protection weldingArgon arc weldingPressure riveting machineServe type OEM ODMFile formats: Pro/Engineer, Solid Works, Auto ...