The mechanical structure is stable, the force distribution is evenly distributed, it is resistant to high temperature operation, and it is not easy to vibrate. The syringe is made of special aluminum alloy steel. The precisely processed and designed single-sided three-line sweater machine is designed with four tracks, which improves the stability of the equipment, and the output and quality are both guaranteed. It can be woven into fish scale cloth, twill cloth and French double sweater cloth, and related products can be made into women's clothing, sportswear and warm clothing. The specially carved sinker triangle can be used to adjust the length of fluff. This machine can also be equipped with a variety of triangular and interchangeable parts, and it can be transformed into a high-speed single-sided four-track knitting machine, which is a dual-purpose product. Equipped with a 136-segment gear winding machine. The gearbox is placed in the center, which will not cause eccentricity and runs smoothly. The spindle is equipped with a set of tension clutches, which will automatically slide open when the tension is too high, and there will be no floating cloth or needle damage. It is light to operate, not easy to wear, low in noise, and forms a perfect combination with the equipment. Standard equipment: active yarn feeding device, automatic spray refueling device, yarn break automatic stop and bad needle automatic stop device, cloth winding system, automatic dust removal device, yarn stand system. Optional devices: spandex preparation device, spandex yarn feeding device, stacking device, yarn input measuring device, width opening frame, large circular machine networking system