Custom Round Colorful Hologram Sticker

Custom Round Colorful Hologram Sticker Laser standard identification, the general user mainly through the naked eye to observe, but also through the microscopic equipment to view the internal engraving features, thus identifying the authenticity. Its characteristics are: the same template to suppress the label is the same, but the template in the lithography process by a variety of parameters and environmental conditions, it is unlikely to make the same two templates, which is the most...

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