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Technical requirements for making window-opening packing box
May 28, 2018

we are 11 years Chinese manufacturer(including proffesional design) specialize in custom paper packaging boxes and cardboard displays

1, windowing packing box appearance requirements:
The surface of the windowing packing box should be clean and smooth, free of wrinkle, damage and dirt and impurities. Fonts and patterns should be clear and correct, without wrong printing, missing printing and ink pollution.

2, windowing packing box process requirements:
A, the size meets the specification, the deviation is within the allowable range, 

    and the color box with pit paper needs to be qualified for examination.
B, packing box joint should be tight and firm, no loose crack.
C, packing box material, structure and template or drawings are consistent.