"Tianhai" polyester (polypropylene) staple fiber needle-punched geotextile is made of high-quality polyester and polypropylene staple fiber, which is combed, laid, needled and processed. It can also be rolled on one side or both sides according to demand. The product has good flexibility, acid and alkali resistance, corrosion resistance, anti-aging, high strength, stable size, good water permeability, filtration and isolation performance, and convenient construction.