2. Effective width: 1400mm- 2200mm. 3. Corrugated roller: φ320mm. 4. Adopt negative pressure type design, so that the core paper can be uniformly pressed and attached to corrugated surface, evenly coated with glue to make the single corrugated paper better. 5.Fast change roller, 10 minutes, replace the corrugated roller with electric trolley, into the machine, fixed on the machine base, quick and easy to replace the corrugated roll.