... Specifications Metal stamping,punched part,precision stamping part Supply OEM/ODM services Metal stamping,punched part,precision stamping part1)Material: stainless steel, carbon steel, spring steel, aluminum, brass.2) Product ... software for specification drawings: Pro/E, Auto CAD, Solid Work 2001, CAXA, UG, CAD/CAM/CAE.4) Precision machine: normal punch press 5 ...