Pei Yanzhi, majoring in mechanical automation, transformed into the prince of the Hou family who was exiled after his house was confiscated just after graduation. Start in hell mode: more sins, sweating profusely in the quarry, and bruises on your back. A family of old, weak, sick and disabled is crying for food, and everyone covets a dumb and beautiful wife. Fortunately, a [Broken System] has arrived late, but the mall is empty. Do you still have to sell things by yourself in exchange for points? Pei Yanzhi rolled up his sleeves: That's fine, this is in line with the character of an engineer! Starting from a small pulley set, he made tools, developed water conservancy, modified agricultural tools, and refined steel... He originally just wanted to feed his family, but he accidentally became the "uncrowned king" of this barren northern territory. Let's see how modern engineers use hard-core technology to start in this ancient troubled world and dominate the infrastructure step by step!
