Man on the Space Station: Returning to Earth to Build a Mecha

Six hundred years ago, the earth was attacked by a meteorite. In order to survive, humans built the Tiangong space station in advance. Successfully escaped the meteorite attack. But unfortunately, the earth's degeneration has made it impossible for humans to adapt. Poisonous gas, mutated plants, mutated creatures, and mutated bacteria have occupied the earth. Humanity can only hide in the space station until resources are exhausted six hundred years later. In order to continue to survive, the space station can only send professionals back to Earth to obtain resources. As a mechanic, Yi Feng was unfortunately selected. They are not new humans, they do not have a strong body, and they do not have the means to kill. Yi Feng can only rely on all the experience in the space station to constantly build mechas to defeat the mutated creatures. The first generation of mechas, with steel wrists and iron hands! The second generation mecha, Iron King Kong! The third generation mecha, the iron can armor! The mecha was only built to save lives. In addition to these, Yi Feng also built an underground base, transformed the foundation, and removed the poisonous gas. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.