The needle pressing scale is accurate and fully meets the standard of imported machines, saving a lot of machine adjustment time. Adopt vertical color-changing head: easy operation, no dust accumulation, no yarn tail, less flying hair. The color-changing head can cut freely and clamp the thread firmly for knitting raw materials of different compositions and thicknesses. The control system adopts the most advanced micro-processing controller and touch screen panel; Can know the running status of the machine more timely, so as to facilitate faster and better operation; You can enter and exit data input through the LED computer touch keyboard, prompting the machine to change color. Using high-speed two-power (three-power) computer needle selection technology, the superior knitting effect of high speed and stability can be achieved. Standard equipment: active yarn feeding device, automatic spray refueling device, yarn breaking automatic stop and bad needle automatic stop device, cutting system, automatic dust removal device, yarn rack system. Optional devices: spandex preparation device, spandex yarn feeding device, yarn input measuring device, large circular machine networking system.