C176 Bill

"Oh, God, you're finally back." Banna greeted Yang Rui as soon as he entered the laboratory.

Yang Rui massaged his temples, feeling the onset of a headache. "Damn, I really shouldn't have come. But I think there's been a breakthrough with your issue."

He pulled a stack of documents from his bag and tossed them to Banna. "Take a look at these. If there's anything you don't get, come and ask me