There are many kinds of FDY color silk, and the cross-sectional shape is divided into round holes and three-leaf shapes, which can provide F-number products such as 36F to 192F. It is mainly used in textile fabrics, embroidery threads, trademarks, decorations, webbing and other fields. It is used in jacquard-colored weaving, velvet sand release, home textile decorative cloth and other weaving.