1. The overprinter is accurate, and the color is consistent with the features of the original manuscript.
2. Smooth and solid, flat net and flat wear, not ink rod obviously;
3. Printing dot does not have "flower plate, paste plate" phenomenon, a piece of product ink color is consistent;
4. The specification size should be correct, not to cut off askew.
In the above process, the quality of plate making and raw materials plays an important role.