D5-4 is a new generation of automatic intelligent computer sewing machine independently developed by Dasen Company. It has unique appearance, atmosphere and fashion. A new type of LED segment LCD touch screen is adopted. It is simple and easy to understand. It can be operated freely without memorizing parameters. Direct drive electronic control system shortens the transmission route, starts smoothly and responds quickly. It provides fast start and accurate shutdown function, and has excellent pricking effect. Users can make selectable settings according to different process requirements, which greatly improves work efficiency. This machine can be used to sew denim, cotton, yarn and other fabrics.