Corner edge case side box carton sealer is manually adjust the width and height. After the carton enters, it will automatically corner the box and seal the box. Features： 1. Automatically adjust the width and height of the machine according to the specifications of the carton. 2. After the carton is sealed up and down in the middle of the front sealing machine, it enters the 90 degree corner mechanism. 3. The sealing effect is beautiful, fast, saving manpower and high efficiency....