C1900 White Air

Chen Qiangsheng and Qin Guoyang looked at each other with smiles in their eyes.

They also happened to have a set of Rocket Propeller Designs, which could be useful.

— —

Following Yin Guodong, everyone arrived at the R & D center.

What he saw was a huge LED screen.

And on this screen, it was able to monitor the situation in the various laboratories