... ,AgSnOInO,AgNi,AgZnO,AgCu 3,Usage:relay,switch,contactor,breaker,starter,motor 4,ISO9001,SGS MaterialAgSn/Cu, AgSnOInO/Cu, Ag/Cu, AgZnO ... is widely used in small and medium-sized current contactor,starter,temperature controller,switches,etc.undercurrent contact devices,microswitches and precision ...