Side plates & feed gate with pneumatic hoisting device for easy operation. Sheet holding sticks with vibration system for smooth and consistent feeding. Independent A/C motor with variable speed adjustment for even distance of sheets. Tow-carrier-belt structure, Pre-folding device for left 180° and right 135°, effectively perform the 1st & 3rd folding line of the products, make auto filling easier. Segmented upper-carrier-belt with special design, no need for belt tension adjustment, make adjustments flexibly and effectively. Special design for upper-carrier-belt to prevent damage on elastic press foot while sheets blocking up caused by improper operation. Three-carrier-belt structure and segmented upper-carrier-belt, same function with pre-folding section, suitable for different boxes production. Easy install with bottom lock accessories, more friendly for operation. Modular design for bottom lock accessories, easier for adjustment. Equip with two mechanical upper gluing device (left and right), Special design avoids glue splashing at high speed production and easy removal for cleaning and maintenance. Equip with two mechanical lower gluing device (left and right), Special design avoids glue splashing at high speed production and easy removal for cleaning and maintenance. Special telescopically design for outer-fold-belt, adjustable position for different products, no need for belt tension adjustment with less adjustment time. Special blocking belt structure of folding belt, reduces wear, increases belt life. Special pressing wheel structure of folding belt, easier for adjustment. Middle-fold-belt structure, can produce small size box. Special design for outer-fold-belt, can adjust speed to reduce the fish tail problem. High speed counting kicker for easy counting productivity. Upper and lower belts are adjustable telescopically, easy operation. Lengthened conveyor structure for more firmly glued on products. Extra sponge belt for giving better pressing at indentation area of box stacks. Pneumatically pressure conveyor, easy adjustment and give better glued effect. Synchronization with main machine under auto mode, to increase stability of box stacks.