Shanghai China-hope Electrical Alloy Co.,Ltd is a manufacturer of electrical contact and contact materials which are used in the relay,switches,timers ,thermostats and breakers. 1) electrical contact rivet: bimetal composite rivet, tri-metal composite rivet. The compostion can be: AgNi, AgSnO2,AgCdO etc 2) electrical contact sheet,electrical contact tip, round button contact 3) silver wire, silver alloy wire of electrical contact materials. Material: various kinds of metal Features: I. Pure silver contact (Ag) II. Ag/Cu bimetal rivet III. Fk Ag contact rivet: VI. AgNi /Cu( Silver - nickel - copper composite contact) V. AgCdO/Cu bimetal rivet VI. Solid AgZnO contact rivet and AgZnO/Cu bimetal rivet VII. AgSnO2 and AgSnO2 In2O3