... stainless steel, carbon steel, spring steel, aluminum,copper,brass2) Automatic punching & progressive punch mould3) Applied software for specification drawings: Pro/E ... Solid Work 2001, CAXA, UG, CAD/CAM/CAE.4) Precision machine: 20 progressive press, turret punch press, (laser) cutting machine5) ... , dichromate6) Detailed products range: Electronic components, electric equipment parts punching