... textile co., ltd. is the professional producer of covered spandex yarn, recently possessing one conventional covering factory and one ... yarn and double covered yarnnylon covered spandex yarn and polyester covered spandex yarnthe spandex we use includes 20d,30d,40d, ... the covered yarns you want.Covered spandex yarn is broadly used for socks, sweater, seamless, denim, woven fabric, knitting fabric, ...