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Classified according to the use of printed materials, such as book printing, newspaper printing, advertising printing, banknote printing, map printing, stationery printing, packaging printing, special printing, etc.

(1) Books and magazines were printed by letterpress in the past. We should gradually change to lithography.

(2) In the past, press printing has always been done with relief rotary press, because of its fast speed and large printing capacity. In order to meet the needs of color, the lithographic or gravure rotary printing machine is used instead.

(3) Advertising printing, including color pictures, pictorials, posters, etc., mostly uses lithographic printing, sometimes also uses letterpress, intaglio or hole printing.

(4) The printing of banknotes and other negotiable securities shall be based on intaglio printing, supplemented by relief printing and lithography, and shall do its best.

(5) Photographic lithography is suitable for map printing. Because of its large size, high accuracy, more color registration, less printing capacity, and the original is mostly monochrome.

(6) Stationery printing, such as envelopes, stationery, invitations, business cards, account books, workbooks, etc., must be cheap and printed in large quantities, so the quality is inferior, so letterpress printing is preferred.

(7) Packaging and printing, such as various kinds of alkaline sweet vegetables and vegetables, candy, biscuits, candies, and corrugated boxes for various types of packaging and wallpaper for indoor decoration, are mostly printed in photographic intaglio.

(8) Special printing, such as bottles and cans, bronzing, embossing, hoses, electronics, circuits, labels, tickets, foil. Special process or special material.