1,Over 20 years experience 2,AgCdO,AgSnOIn,AgNi,AgZnO,AgCu 3,Usage:relay,switch,contactor,breaker,starter,motor 4,ISO9001,SGS Specification ... :Intermediate frequency melting furnace, hot mill and precision mill machine, auto-stamping machine, oxidized furnace, High Pressure whisht-Pressure Machine, Ionic ...