1.geotextiles is used widely for foundation engineering and rock engineering ,water project,seaport construction and power station, 2.the raw materials of geotextile are PET staple fibre,synthetic staple fibers ,polypropylene ect.According to specification ,the same material and different specifications ,different materials and the same specification,the different materials and different specifications. 3.the geotextile which is made from polyester fiber is with high tensile strength,good elastic resilience and good heat resistance. 4.the geotextile which is made from polypropylence fiber is with chemical resistance antisepsis antibacterial property and good water resistance 5.width:1.0-4.0m (according to requirement) weight :50g-800g for per square meter.