Our proxy product includes: SEMKRON; SIEMENS;　SanKen; SANRex; FUJI; TOSHIBA;　MITSUBISHI; Eupec; HITACHI;　IXYS; IR; NIPPON; VICOR; LAMBDA; And so on the overseas well-known company produces GTR, IGBT, IPM,PIM, the silicon-controlled rectifier, the crystal thyratron, quicklyrestore the diode, the rectification bridge.