... steel, Aluminum, etc.2.Process: stamping, bending, welding, punching, deep drawing, spinning3. Thickness: 0.1 mm - 10 mm4.Processing equipment:CNC ... steel, aluminum, brass, and so on5) Making process: Progression die, Stamping, deep drawing, Bending, Punching, Threading, Welding, Tapping, Riveting, Grinding, CNC ... the mould after the above mentioned working process sheet metal progressive stamping