Various kinds of yarns can be applied in 3 feeders/inch single jersey circular knitting machines with four tracks. It can be used to knit four-section structure fabrics and single plaited fabrics.Moreover,it can also be used as a special model for knitting yarn-added pad fabrics(three-line flannelette,also called fleece knitting).This machine is produced with new material、new technology and high precision,which makes its working speed reaching 30 RMP.4 feeders/inch single jersey circular knitting machines with four tracks use small needle head with short-latch so that the fabrics are denser and heavier and get a better drape with higer output as well.