We are Beijing Lutong Economic and Trade CO.,Ltd, which is the largest supplier of glass beads for road marking and high reflective glass beads for safety vest. We offer a wide range of glass beads with high -quality and competitive price, ND≥1.5,1.7≤ND≤1.9,ND≥1.9. The company products have obtained CE certification, checked by a German Retsch Technology and the United States Niton to ensure products quality. If you want to know more about our company , you can also go to our website:www.glassbead.com.cn. If your are interested in our products,please feel free to contact me. Looking forward to your early reply. Best regards, Bella