Apocalypse of the Immortals in the 1980s

After the main character of the novel participated in the Shang-Zhou War 3000 years ago, due to the thin spiritual energy on Earth, he migrated to a cultivation planet in outer space. After 3000 years of long cultivation, he returned to Earth in the 1980s and returned to China. He settled down and joined the army to participate in the counterattack against Vietnam. After the protagonist retired from the army for three years, he went to the United States and used the methods of his ancestors to form a fleet. He fished on the sea and then established his own business empire.