C788 Something went wrong with the dragon core

"In order to produce the dragon pill, our equipment, materials, etc., had been overhauled over and over again. But who would have thought that the first batch of dragon pill we produce, would all be unqualified … "

"Ah?" If even they are not qualified, how is that possible? "

"It's true." Ye Hu laughed bitterly: "We are returning to the original version of the formula