The polyester yarn is used on the garments to increase the elastic ... special parts also in low cost and good quality. The polyester yarn is widely used on the elastic rubber tape of ... the special parts.We have the different type of the polyester line. POY:75D/36F,100D/36F(48F),150D/36F(48F ... ; FDY:150D/72F(48F),170D/72F, 300D/96F,450D/144F,600D/192F. Polyester yarn