1. 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 cardboard. Including mill ... level, and lower level. The production line speed is from 3-7 ply. Board width from1600-2200mm .UV flute include A B ...