The fully automatic quilt production line is a spinning machine which consists of a net fiber layer and a synthetic fiber strip. Due to different types of fibers and process requirements, carding machines also have different structures, such as carding machine, carding machine, carding machine, etc. After carding, many impurities and defects have been eliminated. Fibers of different quality and color have been fully mixed. The fibers are initially straight and directional. These are the important conditions for producing high quality yarn.