... ,It has high permeation and can keep good permeation under the pressure of earthwork.3,It has corrosion resistance, uses chemical ... , tunnel, coastal beach land, reclaiming land and environmental protection and play the functions such as isolation, filter, drainage, reinforcement, protection and enclose ... , OHSAS 18001 and CE certification PP/PET non-woven geotextiles to reinforce the soil, CE approved