Go to Yingjiang for Undercover Scientific Research, Longguo's Technology Has Soared

When World War III broke out and humanity was destroyed by nuclear bombs, scientist Wang Chengzhi was reborn and awakened to the "100-fold return system for enemy critical hits". So, he created nuclear fusion and went undercover in Yingjiang as a high-tech talent. "Ding, the host built 1 mecha for Yingjiang and 100 critical nuclear-powered nano mechas, and they have been returned to the Dragon Kingdom." "Ding, the host built an electromagnetic gun and 100 critical strike star destroyer cannons for Yingjiang, and they have been returned to the Dragon Kingdom." "Ding, the host built 1 space carrier and 100 critical space battleships for Yingjiang, and they have been returned to the Dragon Kingdom." Three years later, Yingjiang became stronger than ever and attempted to unify the world. However, the Dragon Kingdom launched hundreds of space battleships, carried thousands of star destroyer cannons, and lined up millions of mecha soldiers to welcome Wang Chengzhi back to the country... Suddenly, the whole world was shocked! ! ! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.