C391 Telescope

391 Telescope

It was only until the Song Dynasty that the formula was slowly deciphered. By the Yuan Dynasty, the production of Boshan Liu-Li had already reached a certain scale.

Its early products for beads, age for the bulk, there are hairpins, buttons and so on.

Age, mainly blue color, also crystal, black, white, tea crystal and other colors.

In the years of Hongwu