Geotextile has superior quality of permeability, filtering and endurance, this product helps to enhance the soil mass' tensile strength and non-deformability and structural stability so as to improve soil mass quality. It can prevent the mixture of sandstone, soil mass and concrete of upper and lower layers; Corrosion resistant-it is made from polypropylene fiber or terylene or other chemical fiber, featuring resistance to acid and alkali and oxidation, non-corroding, no worm-eaten.it can widely apply in projects such as railway,road,sport museum,dike,tunnel,costal shortline,reclamation and enviromenttal project , low weight, easy operation, simple construction