... manufacturing the nylon POY, DTY , FDY. 1. Nylon . POY. 35D/12F, 39D/14F,70D/24F, 83-86D/24F,83-86D/24F ... /36f,186dtex/48f. DTY. 28D/10F 30D/12F, 40D/12F,50D/18F,78dtex/24f,78dtex/24f/2,78dtex/24f black, 115dtex/36f,150D/96f ... blue, brown, grey...... FDY. 12D/5F,40D/12F,70D/24F,100D/36F 2. Spandex yarns. 20D, 30D,40D, 70D, 140D,210D 3. Air Covered ...