Characteristics :
1.Adpot manual and chain to feed cardboard ,both side with back plate to ensure accurate feeding.
2. All the axle and roller was used the high grade steel， plated with chrome and surface grinded .
3.Printing phases ,slotting phase were adopted the gear structure，360 degree adjust .
4.The range of thickness of cardboard is 0-12mm,could show in dial scale.
5.Slotting knife adopt good quality alloy steel ,very hard with good tenacity .