... , CuSn, CuNi, Ni, CuNiZn, Monel, rivet material: solid silver alloy contacts and bimetal contacts, welding material: Ag, AgNi, AgCuNi, AgSnO22: OEM/ODM parts ... auto stamping and riveting assembly system. 6: Surface finishes: Nickel/silver/gold plating. Polishing 7: Products range: wall switch, relay, breaker ...