Filament POY products: preliminary orientation, full name: PRE - ORIENTED YARN or PARTIALLY ORIENTED YARN.

An incomplete stretching of filament between unoriented wire and stretched wire is obtained by means of high-speed spinning. Compared with the undrawn silk, it has a certain degree of orientation and stability. It is often used as a special wire for stretching the yarn (DTY).

DTY: DRAW TEXTURED YARN.

It is made by using POY as raw silk, stretching and false twisting. There is a certain elasticity and contractibility.

FDY: whole body silk. FULL DRAW YARN.

Synthetic fiber filament made from the spinning process. The fiber has been fully stretched and can be used for textile processing.