Single-wall corrugated board production line This finished product, single wall corrugated board, is mainly introduced as inner packing material. It can be also used as outer packing material for light or small-sized commodities. 1model type¦ wj180-1600-1 2maximum mechanical speed¦180 m/min 3breath¦1600 mm 4flute type¦uvc and b ¿may select flute abcde alternate