C114 He Practiced Chinese Medicine and Forgot to Eat and Sleep!

"Mr. Lin, your family doesn't happen to manufacture experimental equipment, do they?" Yan Xin inquired.

"Yeah, how did you figure that out?"

That explains it!

Yan Xin thought the logo looked familiar!

He recalled the time at Dragon Academy when Sun Jinghua's coating ion plating machine broke down. While Yan Xin was fixing it