and differentiated spandex has broad growth potential in the future

Spandex scientific name polyurethane fiber, also known as polyurethane Elastic fibers, which belong to the category of synthetic fibers, are highly elastic and can be stretched6～7 times, but can quickly return to the original state with the disappearance of the tension, its molecular structure is a chain-like, soft and extensible polyurethane, through the combination with…