China launched the Long March 2D carrier rocket at the Xichang Satellite Launch Center at 05:07 on Thursday, February 20. The rocket carried four new technology test satellites C, D, E, and F. 

The new test satellites C, D, E, and F are mainly used to carry out new experiments in Earth observation technology.  

The satellite smoothly entered its intended orbit and the mission was a success. 

This mission is the 326th space flight of the Long March series of launch vehicles.