Features: 1) The whole set is in permutation and combination style, possible to add and reduce color class and add on reverse printing mechanism as required by customers 2) Non-shaft pneumatic conic node printing plate loading, prompt and convenient printing plate changing 3) Alloy guide roll in static balance, sealed type oven, fast drying with less energy consumption, and auto constant temperature control system 4) Adopts auto permanent tension controller and magnetic powder brake for control of unreeling and feeding drawing 5) Adopts vector frequency conversing control for unreeling and feeding drawing, realizing more stable operation 6) Pneumatic backpressure moving erasing knife 7) Printing ink circulating system, inflatable type shaft draw in and draw out 8) High-accuracy gear transmission box, adopting patented technique 9) Reeling and unreeling reel by tumbling dual-station mechanism, realizing auto material change without machine halt 10) Full automatic computer registering devices and computer still examining graphics 11) Constantly print different varieties at the same time both ends, double unwinding and double rewinding