C243 Yu Shengtian

Wu Mengxia and the others looked at Wang Cheng when they heard his surprised voice.

"Wang Cheng, stop pretending to be mysterious. Tell me, what did you diagnose?" Wu Xin'er sneered and asked with a mocking face.

"Mr. Wang, is there something wrong with this red string? Why don't we try another one?"

Wu Gaang was a little anxious when he saw this