C851 President Xu Always Make People Worry

"Dr. Cai, please come in. Minister Lan has been waiting for you." She said respectfully.

"Right." Cai Da Kang slightly nodded his head and walked towards the small building.

"Brother Cai, long time no see, you're still full of energy." As soon as he walked in, a loud voice of intermediate stage was heard.

Looking towards the source of the voice, it was a middle-aged man