The appearance is the first, the layout must be clean, no dirt; second is the color should be consistent; then the text shall be complete, clear, accurate location; finally the size requirements, fine product size allows the error should be less than 0.5mm, the general product size allows the error to be less than 1.0mm.
Each order should be clear and clear.
The contour and position of the polychromatic image should be fitted correctly. The printing of fine print allows error code difference equal to equal to 0.10mm, and the printing of general print allows error code difference less than equal to 0.20mm.
As the basic unit of printing, the dot should be clear, accurate, and no heavy shadow. The expanded value of the 50% network, the fine print is 10%-20%, and the general print is 10%-25%.
Color should be in line with the original manuscript, true, natural, and colorful. The index should include two aspects; one is the same batch of products of different printing solid density error, green (C) Pin Hong (M) is less than or equal to 0.15 and less than 0.20 black (BK), yellow (Y) is less than 0.10; two is in line with color printing sample
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