Chapter 494: Uncle Kang's Challenge

"Doctor Campbe, I apologize for keeping you waiting." Harbinger Campbe and Tang Zhe sat in the front hall, sipping tea and making small talk. After freshening up, the elder Mr. Tang appeared in a clean outfit, smiling broadly as he approached Harbinger with brisk steps. Wow... Seeing Mr. Tang looking revitalized, Uncle Kang and Tang Zhe's faces subtly changed, their eyes wide with astonishment. They could both clearly perceive the profound transformation in the elder's demeanor. As an expert...