Lin Ye, a chemical genius, traveled through time and became the second son of the governor of Sichuan and Sichuan. The elder brother is rich and powerful, and the father is extremely powerful. He possesses rebar and bicycle technology, and originally wanted to farm in a low profile. However, it is difficult to guard against hidden arrows, and the dynasty is decaying. Let's see how he uses technology as his blade to refine Kobelco and build iron cavalry, turning the Kingdom of Abundance into the most powerful arsenal. One day, the torrent of bicycles will crush the old mountains and rivers and reach Chang'an!
