glassbead1 at fabait dot com, 1).we are the manufacturer and exporter of glass beads for road marking and glass beads for sandblasting cleaning and shot peening. 2).glass beads for road marking: 3）standards: aashto m247 type 1 /type 2; bs6088a/b; en1423/en1424;ks; as2002:2009 and so on. 3).glass beads for blast cleaning, surface finishing and shot peening: glass beads are available in diameters distributions from 50 to 850um are available according to your requirements. glass bead function: improve the road marking line contrary reflection function. when driving at night, the lamp shines on the marking line with glass bead in it, the ray of lamp is reflected back parallely. so the driver can look at the road clearly and drive safely at night.