1. All the printed copy on the package is consistent wi […]
1. All the printed copy on the package is consistent with the sample copy, no typos or missing words.
2. The color of the same batch of packaging materials has no obvious color difference, and the color printing is not rough.
3. The surface of the packaging material is smooth, flat and clean, without wrinkles, roughness, unevenness, and obvious scratches and scratches.
4. There is no glue overflow phenomenon for packaging materials that use glue.
5. There is no explosion angle or edge around the packaging material.
6. The length of the suction pipe of the pump head is suitable; the incision is standardized.