22 May 2020
After the Tianqin-1 satellite was launched as a secondary payload together with the main payload CBERS-4A on 20 December 2019, 6 key technologies have been tested over the past 5 months, including high-precision inertial sensing and micro-Newton propulsion, both of which are necessary to detect gravitational waves in space, said Luo Jun, President of Sun Yat-sen University and an Academician of the Chinese Academy of Sciences. "The test results are better than the mission requirements," Luo said on 21 May.
original news on Science and Technology Daily in Chinese