Automatic Reliable version case corner edge side sealer MPH-50 mainly history for the four corners of the upper and lower edges of the carton to seal, it can prevent the carton flap frequent folding operations lead to strength edge degree weakening and breakage, strengthen the protection, as well as prevent moisture into the box, keep the product dry, especially suitable for long-distance or cross-country transport carton products packaging applications. Sealing capacity: 400-600 cartons/hour application case size: Length:320-500mm, width: 200-500,height:180-500mm; the machine can be upgraded to a sanitary version, a safety version, or a multi-size random sealing version.