Polyester staple fiber is a fiber obtained by spinning polyester (polyethylene terephthalate, abbreviated as PET, polymerized from PTA and MEG) into tow and cutting it. Nonwoven Polyester Staple Fiber has the best heat resistance and thermal stability among synthetic fibers. Recycled Polyester Staple Fiber is mainly supplied to textile enterprises, and has a wide range of uses. It can be used in the clothing industry to make silk-like and wool-like clothing and accessories, and the decorative category can be used as fabrics such as sofas, furniture, curtains, carpets and interior decorative fabrics of automobiles.