After a thousand years of trading, start a million barrels of oil

Thousands of years later, the footsteps of human beings have traveled all over the universe, and energy and technology are no longer a problem.
Thousands of years later, people have a strong interest in historical stamps, antiques, currency, calligraphy and painting in history.
Jiang Fan accidentally obtained a trading space, where he can trade with humans thousands of years later.
He used a set of currencies and traded millions of barrels of oil.
Next, controllable nuclear fusion, high-end chips, lithography machines, and quantum communication are all available.
Do you want the Luan Bird Sky carrier and the Star Destroyer?
Arrange~

Key words of the novel: After a thousand years of trading, start a million barrels of oil without a pop-up window, After a thousand years of trading, start a million barrels of oil