This machine is adopted by side seam and median merit, with many years experience to make the newest and the most practical and the cheapest equipment...Equipment delivery with safe and reliability, the cost is just the median seam 50%, good looking appearance and novel structure, multi-printing and bright colored and clear. High density hole with good exhaust character; Shift folding just make the cement Number printed move the middle of the Mside: Cutting just like 7 character mouth make the boring process from the sealed sack tongue left out. It is an ideal equipment for the cement sack factory.