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Tag printing by printing version, printing can be divided into letterpress printing, lithography, gravure printing and stencil printing four categories.

Toppan printing has the longest history of the most popular, the layout of the image and the text protruding part of the ink, the concave part does not accept the ink, when the version and the paper is pressed, the ink will be printed on paper. Printing plate mainly include: movable type, lead plate, zinc version, copper plate, photosensitive resin version. Some books, notes, envelopes, business cards, etc. are still using letterpress printing; need special processing such as: bronzing, silver, pressure bumps, etc., generally also use letterpress printing.

Printed lithography is the most common and most widely used printing method. Image and non-image in the same plane, the use of water and ink are mutually exclusive principle, the graphic part of the ink does not accept moisture, non-graphic part of the opposite. Printing process using indirect method, the first printed on the rubber drum, the picture is from the reverse, and then the rubber drum on the transfer of text on the paper. Pictures, pictures of advertising samples, calendar, etc. can use this printing method.

Hole printing, also known as screen printing, if you met in primary school teacher carved wax printed version of the roll, then better understand this printing method. The use of silk cloth, metal and synthetic materials, screen, wax paper for the printing plate, the graphic part of the hollow into the pores, non-graphic parts to print materials protection, printing plate close to the substrate, with a scraper or ink roller to make Ink penetrates onto the substrate. Screen printing can not only be printed on a flat substrate and can be printed on the arc substrate, bright colors, lasting. Applicable to labels, bags, T-shirts, plastic products, glass, metal utensils and other objects of the printing.

Tagged gravure printing is the opposite of letterpress printing. Text and image concave and under the layout, concave part of the carrying ink. Printed shade and concave into the depth of the deep, thick, light is light. Due to gravure printing ink is different, so the printed lines have a sense of bulging. Coins, stamps, securities, etc. are used gravure printing. Gravure printing is also suitable for plastic film, silk printing. Due to gravure printing plate length, process complexity and other reasons so the cost is high.