Siheyuan: From fitter to military industry, understanding is incredible

Story of: Siheyuan: From fitter to military industry, understanding is incredibleChen Feng traveled through the courtyard, taking one look at something and understanding everything.He quickly became the youngest eighth-level fitter in the entire factory!Yi Zhonghai: "You are an eighth-level worker at the age of eighteen. I might as well worship you as my teacher!"Jia Dongxu: "You make a gun without screwing in screws? Are you still a human being?"Qin Huairu: "Brother Chen, your gun is so big!"Eighth-level worker assessment, Chen Feng develops Barrett!The gun comes out, like a dragon!The whole world was shocked!Type 99, J22, battlefield mecha, controllable nuclear fusion armor...The day of review."Is this prosperous age going as you wish?"