nonwoven geotextile fabric : Contact : Sandy Huatao International Geosynthetics Co.,Ltd. E-mail: sandy (at) huataogroup ... railway,road,gymnasium,dike,marine works,tunnel,tideflat,reclamation and environment protection projects. 1) Filtration : The filtration layer of the ... , breakwater, airport, backfill soil of retaining wall, slope protection, etc in which distributes the earth stress, prevents the ...