Gansu Yinguang Chemical Industry Group Co., Ltd. (hereinafter referred to as Yinguang group, code named 805 state-owned plant) is one of the 156 key projects during the first five year plan period. Since its establishment in 1954, after more than 60 years of hard work and unremitting pursuit, it has gradually developed into a national key national defense special chemical backbone enterprise integrating military and civilian protection, and has become the production and R & D base of energetic materials and the cradle of polyurethane industry in China. Especially in recent years, according to the overall requirements and strategic deployment of Ordnance Group and Beihua group, the enterprise has taken over Hubei Dongfang Chemical Co., Ltd. and Sichuan North Hongguang Chemical Co., Ltd., forming a new cross regional and cross industry operation pattern composed of 10 subsidiary companies such as Baiyin headquarters energy company, Juyin company, Santai company, Xiangyang Branch Dongfang company and Yibin Branch Hongguang company. It is recognized as a national high-tech enterprise, a model enterprise of military civilian integration and circular economy development in Gansu Province, a backbone enterprise of overall strategic emerging industries, and a military civilian integration collaborative innovation center of energetic materials. "Yinguang" trademark is a well-known trademark in China. Since the 1980s, the enterprise has closely followed the national strategic policy of "integrating the army with the people, supporting the army with the people and developing the army with the people", timely established the development strategy of "taking the army as the foundation and focusing on the people", adhered to the simultaneous development of scientific research and production, and adhered to the combination of process research and application research, and walked out of a new way of military civilian integration development. For military products, it can produce more than 160 kinds of high-energy energetic material products in single substance and mixed series, of which more than 60 varieties are exclusively produced in China. The products are widely used in China's strategic and tactical weapon systems and aerospace fields, covering all fields of land, sea and air services and rocket army equipment. It is the research and application center of advanced manufacturing technology of energetic materials in China's weapons and is a national key military protection enterprise with the largest product variety and production capacity in the same industry in China. Through introduction, digestion, absorption and independent research and development, civil products have gradually mastered and owned the core technologies of special chemical and fine chemical industry such as nitrification, photochemical and hydrogenation, and have the production capacity of 180000 tons of DNT, 150000 tons of liquid alkali, 120000 tons of PVC, 60000 tons of mononitrate, 30000 tons of methylaniline and 20000 tons of phenylenediamine.