At 10:19 on March 13th, Beijing time, China used the Long March 4C carrier rocket at the Jiuquan Satellite Launch Center to successfully launch the Remote Sensing 31 Group 04 satellites and the satellites entered the predetermined orbit. The satellite is mainly used to carry out electromagnetic environment detection and related technical tests.
This mission is the 363rd flight of the Long March series of carrier rockets.
https://m.chinanews.com/wap/detail/zwsp/gn/2021/03-13/9431329.shtml
At 10:22 on February 24, 2021, China used the Long March 4C carrier rocket at the Jiuquan Satellite Launch Center to successfully launch the Remote Sensing 31 Group 03 satellites, and the satellites entered the predetermined orbit.
Remote Sensing 31 03 Group Satellites-Baidu Encyclopedia At
12:47 on January 29, 2021, China successfully launched the remote sensing 31st group 02 satellites into the predetermined orbit using the Long March 4C carrier rocket at the Jiuquan Satellite Launch Center.
Remote Sensing 31 Satellite Group 02-Baidu Encyclopedia
Remote Sensing 31 Satellite Group 01 is a satellite launched by China for electromagnetic environment detection and related technology testing. At 12:25 on April 10, 2018, China used the Long March 4C carrier rocket at the Jiuquan Satellite Launch Center to successfully launch Remote Sensing 31 Group 01 satellites into the desired orbit.
Remote Sensing 31st Group 01 Satellites-360 Encyclopedia