It is the first to use touch LCD with image and Chinese instructions. It is easy to operate. The improved base plate is raised from 20 mm to 25 mm, and the foot is improved to 18 mm. It is convenient to sew thicker materials. Equipped with top-level servo system, and with support function, if the use of errors or failures, the solution will automatically appear on the operating screen, users can prescribe medicine to the case.