Gravure printing is manual or mechanical engraving gravure, electronic engraving gravure and so on for printing plate, which is direct printing, the printing principle is that the halftone dot of the image part on the plate is the same and below the plate plane, the printed screen shades color depends on different Depth of the network to achieve, gravure India strong resistance, accurate picture, strong ink, secondment, color reproduction. Usually used to print banknotes, securities, albums, etc.