punched sheet 1) Material: stainless steel, carbon steel spring steel, aluminum 2) Surface finish: zinc/nickel/chrome plati punched sheet1) Material: stainless steel, carbon steel, spring steel, aluminum, brass.2) Product weight from 0.003kg to 30kg.3) Applied software for specification drawings: Pro/E, Auto CAD, Solid Work 2001, CAXA, UG, CAD/CAM/CAE.4) Precision machine: normal punch press 5- ...