Auto Part switch parts, stamping with auto welding and auto riveting or auto assembly. Auto Part 1: material: Copper, Brass, Bronze, CuSn, CuNi, Ni ... , welding, metal processing4: Applied software for specification drawings: Auto CAD, Pro/E, Acrobat5: Precision punch machine: 0. ... Customized OEM/ODM orders are welcome: Yes10: package: inner package: vacuum plastic bag outside package cartonOr as per ...