Doomsday Black Technology: I Lead the Country to Climb the Technology Tree

In 2025, the solar storm "Coronal Explosion" warns: Three years later, the earth will usher in a devastating electromagnetic pulse. The global power grid will collapse, electronic equipment will fail, and human civilization will regress to the steam age. The protagonist Lin Feng, an ordinary mechanical engineer, was accidentally bound to the [Black Technology System]. As long as he completes the system tasks, he can unlock a technological blueprint that transcends the times. Facing the countdown to doomsday, Lin Feng chose to dedicate his technology to the country. Starting from "controllable nuclear fusion", leading China to embark on a crazy scientific and technological climb