punching 1) Material: stainless steel, carbon steel, spring steel, aluminum, brass 2) Surface finish: chrome plating, punching1) Material: stainless steel, carbon steel, spring steel, aluminum,copper,brass2) Automatic punching & progressive punch mould3) Applied software for specification drawings: Pro/E, Auto CAD, Solid Work 2001, CAXA, UG, CAD/CAM/CAE.4) Precision machine: 20 progressive press, ...