What is a spot color and what are four colors: a spot color refers to a specific color. When a spot color is printed, it is not a color synthesized by printing C, M, Y, and K four colors, but a special color. Specific inks to print colors. Spot color inks are pre-mixed by the printing house or produced by the ink house. For each spot color of printed matter, there is a special color plate corresponding to it when printing. Use spot colors to make colors more accurate. Such as: special gold, special silver, etc. Four colors refer to the printing colors in CMYK mode.

From the point of view of the design of the high-quality Folding Carton, since the cardboard can not be folded and can not be folded easily, it is necessary to grasp a basic principle in order to design the high-quality cardboard carton into a folding box-like structure, that is, the part that needs to be turned back is realized by a slot similar to the skin shell. The structural design idea of the box-type of the fine folding packaging paper box is more from the book box in the fine paper box. The change of the box-type structure is mainly to make some changes in the closure mode of the leather shell and the leather shell, such as some leather shell by three cardboard, some leather shell by four cardboard, some leather shell by five cardboard.

Looks like the same paper, there are actually many grades, you know? Most of the packaging boxes are paper, and the impact of paper on the printing of packaging boxes is very large. The quality of the paper directly affects the success or failure of the box. There are several brands and grades of the coated paper alone.