KL-350/1040C automatic paper bag bottom card inserting machine process the paper bags conveyance supply,a combination of hooks and paper separation suction nozzle to open the bottom,the compaction to achieve a definite shape,then suction the cardboard into the bag bottom,pasted by the hotmelt glue system(water glue is optional),finally compacted outputs.It is simple to operate,high performing,and cost-effective.short time of changing different bag sizes,saving labor,producting more bags with fewer man-hours.the machine KL-350/1040C can be worked together with KL-350/1040 or KL-350/1040Aautomatic paper bag machine by connecting directly.