C134 Spiderweb trace(part iii)

The car quickly reached the bottom of Acer Group's company. After Sun Tang stopped the car, he immediately ran upstairs.

I also quickly chased after them. "Sun Tang, what are you doing?

Sun Tang did not reply me, and quickly entered the office building. I had no choice but to chase after him as he directly arrived at Sun Yuan's office.

Sun Tang did not knock on the door, and directly walked in