Build a Fifty-meter Giant Mecha at the Beginning!

[Mecha + Black Technology + Cool Fiction + Eagle Sauce + Conquering the Universe] (There is no female lead, but there are some female roles) Currently, we have completed mecha technology + aerospace fighter technology + space battleship technology + star destroyer technology, and will later develop warp engines, wormhole technology, etc. Zhang Yuanhang, who had just entered university, unexpectedly obtained a civilization technology system. This made Zhang Yuanhang, who aspired to become the world’s first scientist, ecstatic. So Zhang Yuanhang, who had just entered university, started his first step, making mecha!!! While everyone was still worrying about their graduation projects, Zhang Yuanhang spent four years alone to build the world’s first mecha!!!