According to 100 billion space news, on September 22, 100 billion aerospace's 300-ton full flow graded combustion liquid methane oxymethane rocket engine “SY-300FF” project review meeting was held. At the meeting, experts from mainstream liquid rocket engines in China formed a special review team. The review team listened to the “SY-300FF Engine Project Report” made by 100 billion aerospace and asked questions. After discussion, the opinions were as follows: The report discussed the overall technical indicators and requirements of the SY-300FF engine in terms of industry background, technical indicators, development progress, feasibility analysis, human equipment support, and core key technology. The review team agreed to set up the project, and follow-up work can be carried out.

According to 100 billion space news, on September 22, 100 billion aerospace's 300-ton full flow graded combustion liquid methane oxymethane rocket engine “SY-300FF” project review meeting was held. At the meeting, experts from mainstream liquid rocket engines in China formed a special review team. The review team listened to the “SY-300FF Engine Project Report” made by 100 billion aerospace and asked questions. After discussion, the opinions were as follows: The report discussed the overall technical indicators and requirements of the SY-300FF engine in terms of industry background, technical indicators, development progress, feasibility analysis, human equipment support, and core key technology. The review team agreed to set up the project, and follow-up work can be carried out.