This machine is an equipment that can produce three-side sealing, self-supporting, and zipper bags. It adopts industrial computer control, liquid screen display, fixed step length, photoelectric correction, four sets of frequency conversion speed adjustment auxiliary material unwinding automatic tension control, automatic batch output: reasonable structure, simple operation, reliable use, and convenient maintenance. It has excellent characteristics such as high control accuracy. It integrates the advantages of domestic and foreign equipment with light, electricity and gas. It is driven by multi-servo imported motors. It is a high-quality, high-speed, new-type product recommended by the flexible packaging market.