Mother Yarn and Mono Yarn for Warp Knitting Our company produces and sells polyester, nylon mother yarn and monofilament. The product specifications cover all series of 10D-30D, and the products are widely used in warp knitting and woven fields, especially in tulle, outdoor sports, wedding dresses and other fields. If it is used together with the matching warping machine for our mother silk, the effect will be more prominent. At present, the main specifications of polyester mother-yarn produced by our company are 90D/6f、160D/8f、200D/10f、240D/12f、240D/8f、300D/10f, which are all produced by FDY technology. The highest spinning speed can reach 4300m/min at present.