... corrugated paper board production lines, FOSBER high power special tri-wall corrugated board line which can supplies 1200-2200mm width, 500 ... -3500mm length board, and LANGSTON high speed double-wall corrugated BE , BC CE FLUTE board line which can supplies ... length board, and they do produce conventional and heavy duty triple wall: AAA, ABC, EAB and so on. Generally larger flute profiles ...