Long March 2C/YZ-1S: 3 x SatNet test satellites
Officially described as "Satellite-Internet Technology Demonstration Satellite(s)" manufactured by CAST. Probably 3 test satellites for the Chinese state-owned LEO communication satellite constellation SatNet.

Mission Data

The launch vehicle successfully inserted its payload(s) into the target orbit(s).
About Long March 2C/YZ-1S
The Long March 2C is a family of expendable launch vehicles made and operated by China. It is a two stage launch vehicle with storable propellants, consisting of Nitrogen Tetroxide and Unsymmetrical Dimethylhydrazine.
Launch updates
Launch success.
Source โUpdated possible LV identity based on additional clues.
Source โRefined launch window and updated possible LV identity.
Source โAdded launch per NOTAMs; Payload and launch vehicle identities highly uncertain.
Source โ
Launch Site
Launch data from Launch Library 2 by The Space Devs.