Heavenly war dominating system

Han Ning, a young man who has been through the waste land of nuclear war, walked through 1942, sold planetary resources in the heavens, competed with the stars, fought between the stars, held the system in hand, and finally became the master Han Ning: don't let me seize your weapons and equipment, because it will be mine next second (this work is semi brainless, featuring sea tanks, sea machine guns, sea armor, everywhere!)