Yuanwang-7 is 220 meters long, 40 meters high and has a displacement of nearly 30,000 tons. It entered service on July 12, 2016, and has performed scientific research and experiment-related tasks, including tracking missions for the maiden flight of the Long March-5, space rendezvous and docking of manned spacecraft Shenzhou-11 and the Tiangong-2 space lab. China is the 4th country to master space tracking technology after the United States, Russia and France.
CAS news release, April 11, 2017