ead, the consumption volume was actually not large, so the price was very cheap.Now that the Qin Empire has invented firearms, the demand for gunpowder will skyrocket. This is something the high-ranki...the book in Gong Huiyu's hand. As the author, he glanced at it and knew that Gong Huiyu was asking about an important plot character. He smiled and said, "Do you want her to die or live"Gong Huiyu hes...