The BeiDou Navigation Satellite System is a satellite-based radio navigation system owned and operated by the China National Space Administration.[4] It is one of the global navigation satellite systems that provide geolocation and time information to a BDS receiver anywhere on or near the Earth where there is an unobstructed line of sight to four or more BDS satellites.
The China National Space Administration (CNSA) is the national space agency of the People's Republic of China. It is responsible for the national space program and for planning and development of space activities. CNSA and China Aerospace Corporation (CASC) assumed the authority over space development efforts previously held by the Ministry of Aerospace Industry. The CNSA has many launch sites around China with their orbital sites located in Jiuquan, Xichang, Taiyuan and Wenchang.