Abstract: The selection and assortment of cotton is the first step for producing high-quality, high-grade pure cotton low-twist knitting yarn. During cotton assorting, it is important to pay close attention to the internal quotas of the cotton. The article discussed the process and technology for each step of the yarn production from blowing, carding to drawing and rotor-spinning.

Key words: rotor-spinning; pure cotton; low-twist; knitting yarn