With compact structure, stable running, easy operation, the machine can be overprinting. Also it can print with one colour unit only Dampening, inking and plate pressure are controlled by pneumatic device with easy operation and stable feature Multi-colour machine all cylinders sheet transfer device is used for sheet transfer with stable sheet and precise registeration The machine has devices of non-stop motor skew pull plate, axial inch adjuster for plate cylinder with quick adjusting plate Use touch screen as operation displayer Use PLC control system for electric devices