... large-size company specilizing in manufacturing the nylon POY, DTY , FDY. 1. Nylon . POY. 35D/12F, 39D/14F, ... 20D, 30D,40D, 70D, 140D,210D 3. Air Covered Yarn( spandex+nylon covered yarn, Spandex+Polyester Covered Yarn)4. Air textured yarn ... .Expecting your reply!! Best RegardsFrank Xiang nylon dty yarn