| item | demand | Inspection method |
| 1 | Size | Error after box forming < 1mm | measure |
| 2 | Die cutting error | Printing die cutting error < 0.5mm | Measurement, comparison |
| 3 | Printing quality | The color conforms to the sample without obvious color difference | 60cm visual measurement |
| Overprint error of offset products is within 0.1mm | Eyepiece measurement or visual inspection |
| Overprint error of fine screen printing products is within 0.2mm |
| General product overprint error is within 0.3mm |
| The overprint error of secondary part is within 0.5mm |
| Enough ink adhesion | Adhesive tape peeling test |
| No ink and ink waste | |
| Bronzing and silver stamping with hollowing less than 0.2mm: does not affect the appearance | Magnifying glass measurement or visual inspection |
| The adhesion of gilding and silver stamping is enough without obvious powder loss | Adhesive tape peeling test |
| 4 | Material appearance | The slight friction area during processing is less than 10% | 60cm visual measurement |
| No or slight white spots | |
| No more than 0.8mm crystal points and bubbles are allowed, and no more than 20 crystal points and bubbles per square meter are allowed within 0.8mm | |
