CEY yarn is a new type of elastic composite fiber compounded with SSY elastic fiber raw materials through a special composite process. It has the characteristics of SSY elastic fiber. In the use of fabrics, it can not only have the elasticity and characteristics of SSY elastic fiber, but also produce Special fabric style characteristics, novel and high-grade fabrics. CEY is also called elastic composite fiber, with excellent resilience, unique luster, soft and dry feel, non-spandex has excellent comfortable elasticity, excellent drape, excellent resilience, elegant and unique feel and luster.