... services Main Products:1. Silver Alloy Contact Rivet: Silver Contact Rivet, Copper Contact Rivet, Bimetal Contact Rivet, Tri-metal Rivet etc2. Plated Contact Rivet: Silver plated, Nickel plated ... Carbide Product: Tungsten-silver Contact Alloy, Tungsten-Copper Contact Alloy, AgW Contact Rivet, Tungsten-silver Sheet etc4. Disks And Buttons: Silver Alloy Sheet, Silver Alloy Strip, Powder ...