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Weighted glass beads

China national standard glass bead is a kind of high-quality glass bead made of selected glass as raw material and processed by special process.The use of China national standard glass beads has greatly improved the road traffic safety coefficient, which plays an important role in road safety. Based on the refraction principle of glass beads, the headlight beam of the car is reflected back to its own line of sight at night, which forms the effect of marking. These beads not only enhance the visi