PS: I don't feel right today...

Xifei is strictly guarded against any information leakage, but there are still people who want to inquire about the news everywhere. You must know that there are too many things involved in a new type of rocket. No one can believe that Xifei can complete it independently. Such a big systematic work.

Then there is only the legendary research institute. In the circles in the mainland, especially in the circle of secrecy, there is a god

The content of this chapter is being updated...