Siheyuan: the Strongest Engineer Suppresses the Entire Courtyard!

Lin Weizheng traveled through the 1960s and came from a loyal family. He successfully graduated from Harbin Institute of Technology at the age of 19 and became a very rare seventh-level engineer! Four years after leaving Beijing, the beasts in the courtyard were obsessed with the three large rooms in his house. Yi Zhonghai wants to seize real estate for his retirement? Is Jia Zhang going crazy and trying to seize the main house? Qin Huairu came to the door and pretended to be pitiful and wanted meat? Faced with the neighbors in this yard who have their own evil intentions, Lin Weizheng returns strongly and awakens to the infinite challenge space system! Not only does it have a huge portable space, but it can also acquire countless materials and god-level skills through challenges. During this turbulent period of construction, he relied on his extraordinary brains and systematic support to rise rapidly in the steel rolling mill, doing scientific research and making contributions, and his life was prosperous. As for these clowns in the courtyard? Whoever dares to reach out will have his claws chopped off!