1.Four buckle plates and three mechanically-controlled knives can carry out parallel folds and cross folds, optional inward/outward folders of 32-mo, and twofold inward folders of 32-mo. 2.Proper machine height makes comfortable operation. 3.Proper machine height makes comfortable operation. 4.Proper machine height makes comfortable operation. 5.Proper machine height makes comfortable operation. 6.Proper machine height makes comfortable operation. 7.Proper machine height makes comfortable operation. 8.Special paper pressing system ensures precise paper conveying and convenient operation. 9.Automatic control device of pile height. 10.Automatic control device of pile height. 11.Electrical system controlled by microcomputer realizes fast data processing, reliable and convenient operation and longer life. CPU communicates each other; Modbus protocol realizes machine communicate with computer; Man-machine interface facilitates parameter input. 12.Malfunction display function facilitates troubleshooting. 13.Smoothly controlled by VVVF with overload protecting function. 14.Device for blowing dust can clear the dust of outside surface of machine and effectively for maintenance of machine expediently.