chapter 190 A hard slap in the face

Qingshan ointment, during this time in Qingyang County, is not very popular. It can be said that the supply exceeds demand. Basically, it is impossible to buy Qingshan ointment without queuing up three hours in advance before Baozhilin opens. Zhou Yushi is very optimistic about the development prospects of Qingshan Ointment. After all, Qingshan Ointment is currently only sold in Qingyang County, and the supply exceeds demand. If it can achieve larger-scale mass production, it can go out of...