Shaanxi Baoguang Vacuum Electronic Apparatus Co., Ltd. is principally engaged in the development, production and sale of vacuum electronic devices. The Company provides its main products, such as vacuum arc extinguish chamber series, switch equipment series, solid-enveloped poles, accessory product series and ceramics product series. As of December 31, 2010, the Company had two subsidiaries, which involved in the production of ceramics products and electronic accessories.