Zigong Dongxin Electrical Carbon Co., Ltd. (hereinafter referred to as company), the key leading enterprise for matching various national conventional weapons, was established in 1966 with original value of fixed assets 50 million yuan, floor area 119 thousand cubic meters, built-up area 48 thousand cubic meters, more than 900 units of various large and middle professional equipment. Company has more than one hundred staff, including 73 intermediate and senior professional and technical staff, and 11 experts who win state subsidies or are top-notch personnel. Since company was established, our company insists that technology thrive enterprise and now she has been one of the national largest manufacturing and scientific research bases for compressive carbon-graphite material and its products. And brand Dongxin has carbon-graphite material and products, mechanical seal, graphite equipment of three series, ten categories, more than one hundred types of products. Our company has awarded military products (GJB/Z9001A-2001) and civil products (GB/T19001-2000) quality management system certificates by China United Certification Center and Junyou Sincerity Company. In 1997, our company was listed as provincial technical center and listed as provincial cultivated innovation enterprise in 2006, and as director unit of national electrical association and vice director unit of electrical carbon association. Once the economic and technical indexes of company, as model of electrical carbon industry, were at the top in China, and technical index of many products reached the international level, and the scientific research and production strength is at the top in the world. Now company widely serves for military production enterprises, army enterprises and scientific research institutions. Company has the mission of matching national defense since it was established, and has made great contribution to national defense construction, and has undertaken dozens of key scientific rese