... FDY, Catonic FDY, polyester FDY 20D--600D SD, TBR,black color 2. 30/24, 40/12, 40/34, 90/36, 3 ... etc. If you are interested any item of above, please contact us for detail without any hesitate. Best RegardsWilliams HuJIAXING NEW ... , Cationic FDY, polyester FDY yarn, 20D--600D, SD,TBR,black color yarn