Siheyuan: Cripple? I Upgrade the Most Important Weapon of the Country

Lin Wei, a technical soldier from a powerful industrial power who is a retired technical soldier, traveled through time and became a "cripple" custodian in a courtyard. At the beginning, his money-worshiping fiancée Yu Haitang broke off the engagement in public and became the laughing stock of the entire courtyard. In a desperate situation, the god-level upgrade system awakens! Are you laughing at me for being a cripple? I repaired scrapped machine tools with my own hands, and my accuracy surpassed that of Soviet experts! Are you laughing at my low status? I rubbed the high-pressure oil pump with my hands and overcame the "Dongfanghong" heart disease, and was treated as a guest by the factory director! Does Yu Haitang regret it? It's too late! Yi Zhonghai wants to kidnap him morally? Roll! See how Lin Wei went from a cripple who was bullied to upgrade everything step by step, build an industrial empire, and become an important weapon of the country! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.