double open box

First, letterpress printing: Letterpress printing has the longest history and the most popular, the layout image and text convex part accept ink, the concave part does not accept ink, when the plate and the paper is pressed, the ink will be printed on the paper. The main printing materials are: type plate, stereotype plate, zinc plate, copper plate, photosensitive resin plate and so on. Some books, bills, envelopes, business cards, etc., are still using letterpress printing; For special processing, such as gold stamping, silver, embossing, etc., letterpress printing is generally used.

2023/11/07