... have four large factory in producing Nylon yarn, spandex yarn,and nylon6 color yarn in dope dyed. 1. Nylon . POY. 35D/12F, 39D/14F, ... 70D/24F, 83-86D/24F,83-86D/24F black, 128dtex/36f, 135dtex/36f,186dtex/48f. DTY ... 210D, 560D, 840D, 1120D. 3. Air Covered Yarn, Polyester+Spandex Covered yarn, Nylon+Spandex Covered Yarn. 4. Spandex knitting fabric Expecting your reply!! ...