... processing Material: Steel, stainless steel, Making process: Laser cutting,CNC Punching,CNC Bending,Welding,Riveting, Grinding,Stamping, Assembling,etc. Surface treatment: Powder ... /Nickel plating, Anodize,Electronic polish,silk-screen etc. Major Equipment CNC punch pressCNC bending machineCarbon dioxide protection weldingArgon arc weldingPressure riveting ...