Great Tang: Trading Between the Ancient and Modern Worlds

[Historical What-If] [Urban What-If] [Bilateral Trade]

One night, Zhang Kun encounters a mysterious stranger who gives him a watch that lets him transmigrate.

He chooses the Tang dynasty and starts trading back and forth between the two worlds.

He mines oil, coal, and precious metals in the Tang dynasty,

then buys weapons, technology, and new products in the modern world.

Before long, he becomes the richest man in both eras.