We are world&＃039;s leading vacuum interrupter and switchgear parts manufacturer and we have been specializing in this field for more than 40 years with 15 years experience in exportation. We own a specialized R & D team with the first class technical equipment and production line in China, our stock was listed on Shanghai Stock Exchange on January, 16, 2002. Altogether we have 6 categories of over 300 varieties products from 380V to 126kV (rated current 450A ~ 6300A, short circuit current up to 80kA) with premium quality. Our output and sales volume rank top in China. We make over 600, 000 units VIs every year and among that 1/6 are for exportation. We sincerely hope to cooperate with all friends at home and abroad and create a brilliant future!