... parts material: Copper, Brass, Bronze, CuSn, CuNi, Ni, CuNiZn, Monel, rivet material: solid silver alloy contacts and bimetal contacts, welding material: Ag ... , AgNi, AgCuNi, AgSnO22: OEM/ODM parts of Pressing Parts: Yes, Auto parts, engine parts, computer electronics.3: Process: punching ...