C548 Not Suitable!

Zhou Hua did not expect to see this old friend again at the same place.

Zhang Wuda greeted Zhou Hua from afar. He seemed to have appeared out of nowhere and greeted him with a smile.

"Isn't this Prof. Zhou? Why haven't you come over during this period of time? I see that your laboratory is quite busy. Something happened two days ago. Are you alright?"

Zhou Hua looked at Zhang Wuda and said