... Pre-heater, Single facer, Overhead bridge conveyor, double decks heater for liner, Gluer, Double facer, Slitter scorer, Cutter, Down stacker, ... to be reheated, after this the paper is to double facer for being heated and jointed, herein a continuous ... -tailored flutes are provided. Steam heating system and oil heating system are optional . Automatic High speed Corrugated board production line machine