Shanxi Jewelry Quality Supervision and Inspection Station and Shanxi Precious Metal Jewelry Quality Inspection Center on the third floor of Wenyuan Building, Pingyang Road, Taiyuan City.

Jade, the full name of jade, is a beautiful mineral. It is also a kind of stone, which is delicate and hard, shiny and slightly transparent, and can be carved into handicrafts: ~ stone. ~ equipment. ~ seal (the imperial seal).

Classification of jade: jade in a broad sense also includes colored stones, which is the so-called fake jade, including white marble and white jade. In addition, jade in a broad sense also includes diamonds, agates, crystals, amber, turquoise, corals, pearls and other precious stones.