Discussion about partially oriented yarn (POY), fully drawn yarn (FDY) or fully oriented yarn (FOY), draw textured yarn (DTY), air textuerd yarn (ATY).
After watching this vedio, you will know
what is partially oriented yarn (POY)
what is fully drawn yarn (FDY) or fully oriented yar (FOY),
what is draw textured yarn (DTY),
what is air textuerd yarn (ATY)

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