Siheyuan: I Have a Mysterious Factory

Xu Dajun had transmigrated into the world of Love in the Courtyard and became Xu Damao’s younger brother.

With the mysterious factory gifted by the system.

Xu Dajun quietly rose in this world.

When others were still relying on the system to grow crops, store eggs, raise rabbits, kill pigs, slaughter sheep, and collect antique paintings everywhere.

However, he had already begun to build tanks, rockets, and warships for the country.

They were one step ahead of other countries and began to become a technological powerhouse.