ded the Liu family. Now that he has received so much silver, as long as he satisfies the prince's appetite, even teaching Xu Changqing a lesson wouldn't be a big deal.Ke Xu Changqing, after all, was t...ssible to guarantee production standards. Even if it were possible to produce them, the ballistic stability of firearms would vary greatly.This is also why Song Yingxing delayed the delivery for sever...