C813 How to Save the 10

Since it was in Hua Ting City and also in the suburbs, there weren't many cars on the road in this era, so in less than an hour, they reached the 55703 factory.

Back then, in order to develop the J-10, a group of experts came to Hua Ting City. They established a large scale passenger plane design department, codenamed 6640. At the same time