Chapter 792: Interlocking Rings

manufacturing difficulty.After understanding, Song Yingxing said: "Your servant dares not disobey your command, but the development of gunpowder requires a large number of experiments, and the applica...camp into a chilling one.Zhao Tailai remained calm and said, "Then it's a friend."Li Chen smiled and said, "How can I be sure that you are not just saying this because you want to live and get out of...