Located in Wudang District, Guiyang City, Guizhou Province, China, Zhenhua Electronics Group Yuguang Electric Co., Ltd. (State-run Factory 771) covers an area of 28, 000 square meters and employs 715 staffs, including over 200 senior and middle-level technicians. The company was established In 2007, mainly engaged in high-medium and low-voltage vacuum interrupters, solid-sealed poles of the R & D, producing and sales. The products are widely used in power, mining, transportation and other fields of power transmission and distribution system control and protection. The company has advanced production, testing instruments and equipment, with an annual output of 400, 000 vacuum interrupters, 50, 000 solid-sealed poles. We have succeeded in filing 81 national patents. Also developped 120 kilo-ampere high current generator protection and 126 Kilovolt high voltage vacuum interrupter production and development technology, widely implemented in rail transit vacuum interrupter, nuclear power vacuum interrupter and other special fields of products. The company continues to provide the majority of users with superior performance indicators, high-quality products, well recognized by users. The company has passed I S O 9 0 0 1, I S O 1 4 0 0 1, I S O 4 5 0 0 1 certification. At the same time, the company wins titles like National intellectual property advantage enterprise, High-tech enterprise. We will continue to adhere to the True feelings unchanged, service forever integrity business philosophy, dedicated to domestic and foreign customers to provide quality products and excellent service.