retain wall,dam,bridge,steep slope for soil protecting near river and sea port ISO 9001 Good quality and pretty price Asphalt Reinforment Fiberglass geogrid(F'GRID) Introduction:Shenghao brand geogrids are composed of fiberglass or polyester yarn coated with Bitmen,PVC,SBR.These products possess the properties of high tensile strength in the warp and weft directions,low elongation,excellent ...