high quality geotextiles ISO9001: 2008 certified Short or Long fiber needle punched nonwoven ... /sk×(10-1~10-3)K=1.0-9.9Non-woven Geotextile is widely used in the areas of railway,highway ... ,water conservancy,dam,tunnel,subway. The major functions of Non-woven Geotextile: Separation, filtration, drainage, reinforcement, protection, and liquid barrier. The ...