C124 The Sequence of Events for the Formula

"A little bit of herbs?" Qin Tiannan smiled bitterly and said to Ye Fann, "Ye, you might not know this, but there are a few medicines produced by the Yunding's pharmaceutical factory that are completely developed by our Qin family's century-old Faang. The efficacy of the medicine is very good, and everyone likes it. The sales of the medicine are also rising every month! Because of this