... AgCu/Cu, AgZnO/Cu, AgCdO/Cu, etc.Tri-metal Electrical Contacts: AG/Cu/AG, FAG/Cu/FAG, AgNi ... Electrical Appliance.The manufacturing and test equipments which is total amount more 200 sets for making Contact Rivet include Tri-metal rivet ... can surpass one billion pieces annually. Rivet, Silver Rivet, Bimetal Rivet, Tri-Metal Rivet, Solid Rivet, Moving Rivet, Contact Rivet, Relay Point, Relay Connector, ...