GPC-50+GPG-50 can automatically fold the top cover and seal the upper and lower of carton. The auxiliary wheels on both sides assist the machine to seal the box, which ensures that the adhesive tape will not be skewed. Immediately after the L-shaped corner push, the carton is conveyed to perform the four-corner sealing operation, which is simple and practical. This type of sealing machine is widely used in food, medicine, beverage, tobacco, daily chemical and other domestic and foreign industries.