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The heat sealing hot-dip bag making machine is high-speed and efficient, which is suitable for processing cylindrical plastic natural color and color printing vest bags. Advanced photoelectric tracking is adopted to make the printing pattern position accurate, the sealing and heating synchronization are completely free of tension, the back cover is firm and beautiful, equipped with frequency conversion speed regulation motor, with energy-saving overload, overvoltage and overcurrent, avoiding automatic protection function, and equipped with automatic recording device, which can be adjusted arbitrarily. After reaching the set number of sheets, the material can be discharged automatically and reset automatically.