FDY, to'liq tortilgan ip, fully drawn yarn. The winding yarn with high orientation and medium crystallinity can be obtained by introducing the stretching effect in the spinning process, which is a fully drawn yarn. Conventional Polyester and nylon full stretch silk, are chemical fiber filament. FDY fabrics have a smooth, soft feel and are often used to make silk fabrics. It is widely used in clothing and home textiles.

FDY is mostly used in silk and other fabrics, feel smooth and soft, DTY low elastic silk and DTY network silk are often used in sports fabrics. FDY is mainly used in clothing and textile industry; DTY is an ideal raw material for knitting (weft knitting, warp knitting) or machine weaving. It is suitable for the production of clothing fabrics (such as suits, shirts), bedding (such as quilt, bedspread, mosquito net) and decorative items (such as curtain fabric, sand cloth, wall cloth, automobile interior decoration cloth). The fine denier silk (especially the three-leaf special-shaped silk) is more suitable for Imitasiya ipak fabric, thick denier silk can do wool-like fabric.