Our company, directly under the formal Ministry of Chemical Industry of China, is a comprehensive research unit majoring in the development of new chemical materials and raw materials of chemical propellants. We were founded in 1965 and composed of some departments which had been parts of Beijing, Tianjin, Shenyang and Shanghai research institute of chemical industry, directly under the Ministry of Chemical Industry of China. In 1999, we have changed to the science and technology enterprise ...