Corrugated Cardboard Production Line 1. Corrugated cardboard production line includes mill roll stand, single facer, pre-heater, conveyer bridge, gluing machine, slitter scorer machine, cut off machineand stacker. 2. We can manufature the single wall ,double wall and triple wall board production line. 3. Effective Width 1400mm-2500mm 4. Production speed 80-250 meters/min.