C915 Silently Working Hard and Then Stunning Everyone

"Tong Feng, are you done yet? Hurry up, the plane is about to take off... "

At the entrance of the bathroom of Yanjing International Airport, the person-in-charge of Huaxin's research and development department, Huo Gaang, was shouting impatiently.

"He's coming, he's coming..."

Along with an apologetic voice, a young man in his 30s rushed out of the bathroom