Interstellar Mining Through the Song Dynasty, Mining Throughout the Jin, Liao, Xia and Song Dynasties

This is a story about a parallel time and space Earth that was invaded by aliens 100 years later. Ye Ming, a security guard in the Middle East, signed up for a mission to travel through the Song Dynasty to dig out a barite mine to stop the blowout. He originally wanted to finish digging the mine as soon as possible and return to Earth after completing the five-year contract. Unexpectedly, people from the Song Dynasty to Liao, Jin and Xixia came to beat him. When the fire came, he beat up all four countries. Unexpectedly, he became a being that no one dared to mess with in the four countries, the uncrowned king. Originally he could have stayed in the Song Dynasty and claimed the throne, but when aliens launched an attack on China and the country was in urgent need of osmium, rhenium, chromium, tungsten and other special materials that could break alien armor, he gave up his comfortable life and led his troops in ancient times to fight in the north and south, desperately trying to snatch special materials for the country. Finally, under his desperate efforts, China and the League of Nations used Ye The special materials provided by Ming Dynasty in ancient times defeated the attacks of aliens on the earth and the country. After the mission was completed, they could not return due to earth's technical reasons. The news spread that the whole world and the Chinese people were deeply sorry, but Ye Ming said, there is always life and death in human life. I can have the opportunity to fight for the world and the people of my motherland. I feel/this is the glory of my life!