E glass marble is a material necessary for the production of glass fibers.

At present, it has been widely used in electric power, machinery, chemical, petroleum, metallurgy, construction, shipbuilding, fire fighting, transportation, especially the defense industry, such as aviation, aerospace, underwater weapons, and land weapons. It can not only replace a large number of natural fibers, wood and metal materials, but also promote the improvement of industrial technology. It has become an indispensable new material for cutting-edge technology and the defense industry.