... new design with the high side spare parts. The machine is adopted with strengthened single-side driving system, for steady ... exact and automatic.·It has a grinder in each side, which makes the glue more stable, firmly.·This ... sides fold, both sides pre-fold and either side glue4.Paperboard FeedingAutomatic feeding5.Way of foldingFirst, second ... is able to produce four fold paper board and paper boxes.