试验三十三号卫星
The Yuanzheng-1S upper stage assisted Shiyan-33’s delivery into orbit.
A Long March 2C rocket with a YZ-1S upper stage lifted off from Jiuquan carrying the Shiyan-33 spacecraft into orbit for scientific experiments in space environment exploration.
Shiyan-33 was delivered into orbit to conduct space environment research and related scientific experiments.
The launch carried Shiyan 33.