Hollow Glass Sphere, Glass Microsphere manufacturer / supplier in China, offering Epoxy Resin Composite Material Filled Hollow Glass Microspheres, New Type Chemical Material Hl20 HS22 Hl15 Hl35solid Industrial Hgs Hollow Microglass Spherical Micro Glass Bubble for Thermal Insulation Paints, New Type Chemical Material Solid Industrial Hgs Hl20 Hollow Microglass Spherical Glass Microspheres for Thermal Insulation Paints From Hollowlite and so on.