The two types of machine are printed with ink water and used Flexo-plate so that it has the advantage of environmental protection and low consumption. It can prints two sides with two colors and countermark steel wire longitudinally .The machine has a interface, a PID tension controlling system, an open side electric paper beam and deviation-rectifying device etc .The machine can automatically feed paper, print, mark making, cut and count. It is computer control and displays operation .In a word, the machine is an ideal one to printing letter paper、high-grade notebooks, protect myopia exercise books, account books and other paper products.