C203 I'm Not a Flower on the Wall

"You are..."

"Master Cheng, we came to consult the method of making Gambiered Guangdong Gauze." Bai Yinning was the first to open his mouth and explain the purpose of his visit.

The old man's gaze moved back and forth between the group of people at the entrance. The corners of his eyes were slightly pressed, and his wrinkles were deep. His eyes were deep and unfathomable