... needle punched nonwoven geotextile Product introduction of nonwoven geotextile:Non woven geotextile is formed by long yarn or short fiber ... other through needle punching etc technics, this would make the fabrics normalized, soft, plump, thick and stiff to meet ... length, it could be divided into long yarn & short yarn non woven geotextile, both of them have great filtering, isolation, reinforcement, ...