The glass fiber geogrid is an excellent composite material used for road reinforcement and soft soil foundation improvement.It has become an indispensable material in treatment of reflection crack on asphalt road surface.the product is a semi-rigid mesh base made from high-strength alkaline-free glass fibre through international advanced process and subjected to surface coating.It has a high tensile strength and a lower elongation both vertically and horizontally.Moreover,it has good resistance to high and low temperature,aging and corrosion.It is widely used in asphalt wall,railway foundation,dike slope,runway and sand harnessing.