How to Deal with the Custom Certificate CoversPosted by Lily Chen on March 2nd, 2019 Anti-counterfeiting background of the custom certificate covers, that is, the elements are repeatedly changed to form a continuous texture, honor certificate cover customized, with regularity, continuity, penetration, rich in change. Using ground markings for anti-counterfeiting, it is common for professionals to place straight lines, curves, wave lines in a orderly way, cross them, or form regular plane ground markings, or make unit drawings neatly scattered, or appear to be tortuous, distinct layers, and change thousands of things on the face of coins and various valid certificates and securities in different countries.
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