Process requirements:
1. The material and structure of color printing package shall be consistent with the template or drawing.
2. The dimension is in accordance with the specification and the deviation is within the allowable range.
3. The binding place of color printing packaging shall be tight and firm without looseness and crack.
Appearance requirements:
1. The surface of color printing package is clean and flat, without wrinkles and damages, and no stain and impurities.
2. The font and pattern shall be clear and correct, without wrong printing, missing printing and ink pollution.
Whatever it is, quality is very important. The above is the suggestions on the process and appearance requirements of color printing packaging. I hope it will help you.