... 3) Supply OEM/ODM services Progressive stamping,electronic part,progressive dieAutomatic progressive large amount punching with high quality ... spring steel, aluminum,copper,brass2) Automatic punching & progressive punch mould3) Applied software for specification drawings: Pro/ ... , CAD/CAM/CAE.4) Precision machine: 20 progressive press, turret punch press, (laser) cutting machine5) Surface finish: zinc/ ...