... certificate4. Best price and well service PROFILE OF RD56IINP OFFSET PRESS 1. Easy operation:dampening,inking and pressing are operated ... .8. NP device:printing, number printing, red chromatography, stamp press printing, perforation line, these function can be finished one time ... shaft)Convex type(vertical): 45 heads Max.(5 heads on a ring × 9 rings on a shaft)Letter press printing deviceCylinder type ...