1. CE Certificate 2. 20 lines of this type honeycomb to abroad 3. Two-layer, four-layer and six-layer 4. One year warranty 1.Two layers cascading type honeycomb paper machine/Paper honeycomb machine is one automatic production line with higher production speed, lower labor cost, little noise, clean production, little waste and PLC control. Glued paper is cut and stacked to form honeycomb paper ...