C467 Everybody Say Whatever You Want

Qin Guan slept very comfortably. Under his own push, the imitation of the Spey progressed smoothly. Furthermore, it had already begun to improve. The domestic military aircraft was about to have a reliable heart.

That's right, it was reliable. This was what Qin Guan valued the most. After all, the research and development of the Turbofan Engine was not that easy. Furthermore