205th Infrastructure Construction Engineer Division(Chinese: 基本建设工程兵第205师) was activated in November 1971, from all Uranium prospecting units in Guangdong under the command of Ministry of Second Machine Industry. The division was composed of 3 regiments: * 640th Regiment, in Xichang, Sichuan; * 641st Regiment, in Deyang, Sichuan; * 642nd Regiment, in Da County, Sichuan. The division was under the command of Chengdu Military Region. Headquartered in Guanghan, the division acted as a Uranium-related geologic survey unit in Southwestern China.