As one of the packaging tools for various products and commodities, the packaging box is loved by majors. At the same time, the packaging box is also loved by consumers for its high-end, exquisite, and beautiful. Therefore, the major professions also pay great attention to the printing quality of the packaging box.

Offset printing belongs to lithographic printing. Lithographic printing is the most common printing technology in packaging printing. It has outstanding advantages in high-quality and high-efficiency printing, and a wide range of printing materials. Lithography is an indirect printing. The process of restoring graphics to the surface of the printing material is completed by the effect of the printing plate and blanket cylinder.