... steel spring steel, aluminum, brass 2) Surface finish: zinc/nickel precision stamping1) Material: stainless steel, carbon steel, spring steel, aluminum, ... CAD, Solid Work 2001, CAXA, UG, CAD/CAM/CAE.4) Precision machine: 20 progressive press, turret punch press, (laser) cutting machine5) Surface ... , dichromate6) Detailed products range: Electronic components, electric equipment parts precision stamping