Post-print processing of printed materials mainly refers to surface finishing, binding technology, and other processing methods to improve the pressure resistance, water resistance, and sealing or environmental protection performance of printed materials. The post-printing process in the industry refers to the surface decoration of printed matter as the main direction. Generally speaking, the post-printing process (hereinafter referred to as the printing process or process) mainly refers to a series of processing steps after the substrate is printed. It includes Die Cutting, embossing, embossing, creasing, bronzing, laminating, folding, punching, glazing, laminating, die cutting, binding, packaging, etc.

The lid and basecover boxes can be divided into square lid and base cover boxes, rectangular heaven and earth cover boxes, round lid and base cover boxes, heart-shaped heaven and earth cover boxes and special lid and base cover boxes according to their appearance.