3D Geomat, Composite Drainage Net, Gcl manufacturer / supplier in China, offering 8mm Concrete Fabric Blanket in Roll for Drainage Channel Lining Slope Protection, 6mm Concrete Fabric Blanket Filled Cement Canvas Cloth in Roll for Drainage Channel Lining Slope Protection, Waterproof Drainage Ditch Channel Lining Embankment Flexible Cement Rolls Concrete Blanket and so on.