SINCE 1970,Shaanxi Baoguang Vacuum Electric Device Co. Ltd.Shaanxi Baoguang Vacuum Electric Device Co., Ltd.(Hereinafter referred to as Baoguang ) is located in Baoji City, Shaanxi Province with registered capital RMB236 million and total asset RMB820 million. Baoguang stock (Stock code: 600379) was listed on Shanghai Stock Exchange in January, 2002.Baoguang is a key high-tech enterprise to produce vacuum interrupter and vacuum switch equipment in China. “Baoguang brand” vacuum interrupter won the fifth Asia-Pacific Expo gold award, Moscow International famous products gold award, one first prize and one second prize for National Science and Technology Progress Prize, and won the titles of Quality products of ministry and