1) Primary color difference: Primary color mobile phone case packaging box is the main purpose of printer to copy mobile phone case packaging box. In this way, the case box can be printed so that the customer cannot find any color difference in the color.

(2) The same batch of color difference: refers to the mobile phone case packaging box in the same batch and the same position of the bristles have different colors.
(3) the color difference of the same batch and different batches: refers to the color difference between different batches of printed matter. If the color of each batch of prints is different from that of the mobile phone case box, when the mobile phone case box is put together, consumers will feel that the mobile phone case box is either new or old. Some consumers will also wonder if the quality of the product inside the box is the same as the appearance of the box. This can cause distrust among consumers. Mobile phone case packaging box manufacturers will also be dissatisfied with the printing plant .