Super Technology Main City System

There are 3 workers at the start, a dilapidated fortress, and all equipment depends on manufacturing... The efficiency of opening factories has increased dramatically, the production of technological products has been swarmed with competition, and citizens are breaking their heads in order to qualify for housing... When building a scientific research laboratory, every research result will cause tremors from the outside world... Open top colleges and train the talents that technology giants will compete to win over... Ye Fan obtained the main city system and since then built a super technological city with a population of tens of millions, becoming the ultimate goal...