Auto-stamping parts switch parts, stamping with auto welding and auto riveting or auto assembly. Auto-stamping parts 1: stamping parts material: Copper, Brass, Bronze, CuSn, CuNi, Ni, CuNiZn, Monel ... electronics.3: Process: punching, riveting, welding, metal processing 4: Applied software for specification drawings: Auto CAD, Pro/E, Acrobat5: Precision punch machine ...