... corrosion resistance, uses chemical fiber such as polypropylene or dacron as raw material, has acid and alkali resistance, hasn ... land and environmental protection and play the functions such as isolation, filter, drainage, reinforcement, protection and enclose. ... PRICEISO9001,ISO14001,OHSAS18001 AND CE CERTIFICATE Non-woven geotextiles with needle punched,PP/PET material for isolation and filter