Design speed: 170m/min. Corrugated rollers made of Ni-Cr-MO alloy steel, with heat treatment for hardness HRC55-62．Surface plated with chrome treatment. Adjustment of upper corrugated roller, pressure roller and glue roller controlled by pneumatic system. Upper corrugated roller diameter: ?02- ?08mm, with a drum. Lower corrugated roller diameter: ?02-?08mm. Pressure roller diameter: ?60mm, with a drum. Gluing roller diameter: ?65mm. Surface is embossed with netting design and chrome plated. Flute: A, B, C, E, BC, etc. With preheating and preconditioning rollers. Width: 1600mm, 1800mm, 2000mm.