C1402 Light Carving Machine

"Say it."

"I heard from Guotao that you have completely mastered the manufacturing technology of the optical carving machine?" Qin Guoyang asked.

This was the purpose of Qin Guoyang asking Qin Luo to come over. As for reminding Qin Luo, it was just a coincidence.

"More accurately, he has mastered the theoretical knowledge of making the light carving machine." Qin Luo said