... 3. Simple operation, high efficiency. Semi automatic carton gluer machine is new machine for carton production line in recent years ,it is ... for 3plys ,5ply 7 ply paperboard and so on ,the machine structure is easy working is stable ,operation is simple , ... ,the cost is 15times lower than steel wire stitcher machine. Machine structure : machine frame ,up and down working talbe ,front transpot equipment ...