13 October 2025 year Fr. 10:00 (UTC) from Jiuquan Space Center, Chinese People's Republic, using a launch vehicle «Long March 2D» a Chinese spacecraft of unknown purpose was launched «Shiyan 31».
Open sources of information reported, what «Shiyan 31» intended for "demonstration of new optical imaging technologies". Actual use is unknown, as the mission is governmental and completely secret.
PH «Long March 2D», Also known as "Chan Zheng 2D", «CZ-2D» та «LM-2D», This is a two-stage rocket launcher, which is mainly used to run satellites into low Earth orbits (LEO).
According to the CCS