Geosynthetics Mat is a new type civil engineering material which be used broadly in maintenance of water and soil, can offer seeds and soil which have been put into them protection, increase the green area and improve the environment. ApplicationsA. Prevent the surface of ground from weather beaten before seeds up-growth. B. Since the formed composite protection allow stand great steam after the plants group up these products can replace the material of concrete, asphalt, stone etc.C. Reduce the costs of construction 7 times as that as concrete slopes and 8 time as brickwork. D. With macromolecule and outstanding UV light resistance stabilization material these products have steady chemical features and no pollution to environment. E. Simplify project can commence as soon as foundations finished. Guidance of usageA. Rolls of geosynthetics Mat shuttled by stick be pull down the slopes which four sides be nailed up which 30 cm away from each other or 10 nail per square meter. B. Make nai