QR Code Holographic Security Label Sticker

QR Code Holographic Security Label Sticker Two-dimensional code security principle is to each product by assigning an independent "electronic identity code" in the circulation process to collect logistics information, tracking the flow of goods, consumers in the purchase of goods by querying "electronic identity code" to check the goods Information, sales business and other information to identify the authenticity. Two-dimensional code security technology using "closed-loop traceability",...

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