Chapter 1021 Heavy Infantry

in Jin Xueyuan's ear, and Jin Xueyuan instantly stiffened, as motionless as a statue.Lying comfortably in the soft carriage bed, Li Chen stretched out his hand and made Jin Xueyuan lie on his chest.H...ns.It's not that deep of a technical skill, but it's mainly about the idea.Once the idea is unlocked, with gunpowder and steel ball manufacturing technology, then the rest of the problems don't seem l...