... with auto welding and auto riveting or auto assembly. Auto Parts 1: material: Copper, Brass, Bronze, CuSn, CuNi, Ni, CuNiZn, Monel, rivet material: solid silver ... -80tons, Germany and Japan Auto welding system, Japan auto stamping and riveting assembly system.6: Surface finishes: Nickel/silver/gold plating. Polishing7: Products ...