... Production Line include single facer, reel stand, cutter, double facer, preheater, bridge,slitter scorer. Corrugated CardBoard Production Line 3-layer,5 ... unitHeavy transport bridge (electrical adjusting deflection,adsorption tension)1unitDuplex preheaterφ400mm, electromotion1set1setDuplex preheaterφ400mm, electromotion1setDouble glue machine-A type1set1setDouble glue machine-B ...