1,Over 20 years experience 2,AgCdO,AgSnOInO,AgNi,AgZnO,AgCu ... contact has one of the most important materials in silver - metal oxide contact material. 6. AgZnO rivet and ... 200 sets for making Contact Rivet include Tri-metal rivet machine from Germany, Bi-compounded rivet machine ... Main Specification of Bimetal Rivet and Solid Rivet Production Workshop Laboratory OurLocation Our company is very near ...