Preoriented yarn. The predecessor of DTY.
DTY:
draw
Texturing
Yarn elastic textured yarn is produced by POY through stretching and twisting machine, which mainly stretches and gives a small amount of twist. Can be used for knitting.
Hoy:
Highly oriented yarn, the predecessor of HDY.
HDY: High tensile textured yarn is produced by HOY company through drafting and twisting machine, mainly stretching and giving a small amount of twist. Can be used for knitting.