China Aerospace released three commercial liquid rocket engines on April 22. The sixth Academy of Aerospace Science and Technology Group released three liquid rocket engines tailor-made for commercial aerospace. These engines will effectively promote the development of China's commercial aerospace and enhance China's ability to enter space on a large scale at low cost. It is understood that the sixth Aerospace Institute will build a pulsating production line with a total assembly capacity of 300 commercial aerospace engines a year, so as to promote the commercial aerospace industry to better support the construction of a space power and serve national economic construction and the lives of the people.