This is what the Report reports with reference to TASS.
The satellite, the report says, was launched from the Taiyuan cosmodrome in Shanxi Province (Northern China) at 08:10 Beijing time (04:10 Baku time) using the Changzheng-6 launch vehicle (Long March-6, "Great March-6") and "successfully launched the specified orbit."
Tianping-3, named after the Libra constellation, is mainly used for calibration of ground-based radar equipment, as well as for monitoring the low-orbit space environment and correcting the orbit prediction model.