Galaxy 596 is a secret unit.

Yes Yinhe 596 refers to the Sixth Research Institute of China Aerospace Science and Technology Corporation, which is the 51st Research Institute of China Aerospace Science and Technology Corporation. It belongs to the Sixth Institute of China Aerospace Science and Technology Corporation and is an important research and development institution of space propulsion technology. Yinhe 596 has made great achievements in the development of high-power liquid oxygen and kerosene engines for satellites, and has been successfully applied to China satellite engineering mission, so it is a confidential unit.