For paper box printing companies processing continuous color matching drafts. Not only does it have sufficient light changes, but it also has sufficient self color changes. The suitable copying channel for reproducing continuous and sufficient changes is the offset printing adhesive printing company.

Relatively speaking, there are not as many changes on the offset printing layout, only the difference between the target text and the blank space on the printing layout. The width of the ink layer on the printing page is the same, and it is also not possible to creatively match the original manuscript with a variety of colors.

Therefore, the copying of color graphics in printing companies is obtained through special techniques. The process of reproducing and restoring the color of the original manuscript in offset printing companies. During the printing process in the printing company, sufficient colors and rich and colorful effects are presented by overlaying colors on various printing layouts.