Glass beads are currently a common jewelry accessory, widely used in clothing, evening dresses, shoes, hats, handbags, headwear, woolen textiles, bead embroidery, lighting, handicrafts, etc. The main production area is currently located in Fuyang Zhu, Chaozhou City, Shandong Province The product market and Yiwu, Zhejiang, and Shandong and Zhejiang are the two largest glass bead production and sales regions in the country. The main production and sales base of road reflective glass beads is in Daqing City, Heilongjiang. Langfang and other places in Hebei are only small workshops, which have not reached the scale and the quality is not guaranteed. In particular, the manufacturers in the Yongqing area of u200bu200bLangfang purchase from enterprises in the Daqing area, but due to their early start, they are currently well-known in the market. Reflective glass beads are divided into ordinary glass beads and high refractive index glass beads. Ordinary glass beads are mainly used for road coatings, with a refractive index greater than or equal to 1.5. High refractive index glass beads are mainly used in reflective fabrics, such as traffic police clothes, highway signs and other places. The refractive index is between 1.9-2.4. Use of glass beads According to the different glass beads particle size range (um) glass beads mass percentage (%), glass beads are roughly divided into three categories, glass beads for jewelry, glass beads for roads and mechanical sandblasting and polishing glass beads.