Xuan paper originated in the Tang Dynasty, and in the early years, it was a tribute to the royal family, and it was made of straw fiber.

The production process is difficult, and the production cycle is relatively long, and the production time of a batch of rice paper is often three months.

During the Tang Dynasty, the price of a piece of rice paper was as high as 10 taels of silver, which is equivalent to 2,000 taels of currency now......

"I Played with My Life in the Treasure Appreciation Realm" Chapter 190 Chapter 0190 This is a master is in the middle of a hand-to-hand fight, please wait a while,

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