... geotextile introduction with CE certificationProduct features:1,Net holes are easy for blockage, ... 4,It has convenient constraction, small weight and convenient uses.Application Range ... by functioning of external force.2,Knitting geotechnical cloth can be ... as water conservation, hydropwer, highway, railway, port, airport, sports field and gymnasium, tunnel ... .51.82.12.42.73.24.0 Effective aperture O900.07- ...