The 3ply, 5ply, 7ply, and multi-function corrugated cardboard production line mainly consist of the following equipments. ... The 3ply, 5ply, 7ply, and multi-function corrugated cardboard production line mainly consist of the following equipments: Mill Roll ... Facer, Slitter Scorer, Cut-off, Conveyer and Stacker, Glue Making System, and Electric Control System etc.Paper Outputting Speed: 80M ...