We are the manufacture of glass beads for road marking and traffic paint ;Glass beads for sandblasting;Glass beads for handicrafts;Our products are colourless transparent solid sphere.The yearly output is over 10000tons.The density is 2.4--2.6,and the refractive index is 1.6,and the roundness rate is 85%. Welcome to contact us by tel or by e-mail or by fax.