We provide 3 kinds of polyester nonwovens: fiber-reinforced spunbond, non-reinforced spunbond and staple fibre mat. These products have excellent physical and chemical properties such as high tensile strength, expandability, thermal stability, puncture & tear resistance, anti-corrosion, and anti-humidity. They are used as roofing shingles and underlayment with modified bitumen as well as waterproofing for building, underground engineering, and other civil construction applications.