Chapter 548: Jiaojiao Is Jealous

on't have any good ideas" Li Chen asked.Faced with Li Chen's question, Xu Changqing wore a bitter expression. Throughout history, the Ministry of Revenue has always existed, but so many Ministers of R....But this, in Li Chen's view, was still far from enough."The power must be at least twice that of the gunpowder currently in use. After that, materials can be sought to wrap the gunpowder, which is th...