Jade is composed of crystals, which reflect light bit by bit, which is the most typical distinguishing feature of jade. The hardness of jadeite is Mohs 7, which belongs to jadeite and is higher than ordinary jadeite. Sihui City, Zhaoqing City is the largest distribution center for jadeite processing in China, forming a huge and complete system of carving, polishing, inlaying and live broadcasting of jadeite raw stone and wool.