C277 Moyan Drug Refinery

Mo Yan heard someone call him again and immediately looked towards the door. When he saw a familiar smile appear in front of his eyes, he immediately froze on the spot.

"Yang..." "Yang Fann …"

Mo Yan was slightly shocked and even stuttered when he spoke.

Yang Fann walked in front of Mo Yan with a smile and said, "Grandpa Mo, I wonder if you are free. I have something to talk to you about