73 1 The hospital is located in Yungang, Fengtai, Beijing. It belongs to the Third Research Institute of China Aerospace Science and Industry Group. Established on 1960. At that time, the Ministry of Aeronautics and Astronautics was called the Seventh Ministry of Industry, so the hospital was called the First Hospital of the Third Institute of the Seventh Ministry of Industry, that is, 73 1 Hospital, just like the Japanese germ troops in Harbin.