C533 Cao Changsheng's New Plan

Cao Changsheng had been in the business for decades, and everyone had heard of his reputation.

Since the old man had already said so, Zhao Lei did not waste any time. He nodded and said, "That's great. Old Mr. Cao, don't forget to take your medicine on time. You just need to start taking the ginseng after a month. If there's nothing else, we'll take our leave first