C1947 A Great Era
A few years ago, the Aeromotor he developed was far from mature. At that time, the only thing that could be used in the country was the Spey. Under Qin Guan's push, the Spey was made into a national imitation. Finally, it reached 100% with great difficulty, and no longer needed to look at the Cattle People's expression. It could be produced by itself.
After that... Even if it was the J-10