C421 Profit

"Ah!" Qin Yuyan heard Ye Fann's words and could not help but scream. If what he said was true, the formula of this medicine was all rare medicinal herbs like the Tianshan Snow Lotus and the Hundred Year Lingzhi. It was very difficult to commercialize this formula. After all, with the current development of the world, the places that humans had set foot in were getting wider and wider