The machine can automatically adjust the width and height according to the specifications of different cartons. Belt drive on both sides is economical, fast and stable. The upper and lower sealing ensure that the upper and lower sealing machines are stable and fast. Single machine operation is suitable for small batch and multi-specification production. High quality, competitive price, suitable for a variety of carton sealing at the same time, cost-effective. Since its successful development, it has been widely used in food, medicine, beverage, tobacco, cosmetic, automotive, cable, electronics and other industries at home and abroad.