... CORRUGATED BOARD PRODUCTION LINE 2.mill roll stand,preheater,single facer ,transport conveyer, gluing machine ,double facer, CORRUGATED BOARD PRODUCTION LINEThe corrugated cardboard production line is the professional equipment for making corrugated ... different specification production line, high level. middle level, and lower level. The production line speed is from 3-7 ply. Board width from1600- ...