We can offer 3 layer, 5 layer, 7 layer corrugated paperboard production line. We are special producer for the corrugated machine 5-layer Corrugated Corrugated Paperboard Production Line IntroductionCorrugated cardboard production line includes mill roll stand, single facer, pre-heater, conveyer bridge, gluing machine, slitter scorer machine, cut off machine and stacker. We can produce the three ...