Security principles:. A kind of label that Avery made of imported paper, the kinds of materials printability strong, stable sticky glue, label surface effect is beautiful. b. For each network in a product set a unique code, which was then stored in a central database coding, while in the country to establish a phone (mobile or web) query to identify the network. Consumers to purchase digital security markers affixed to the merchandise, simply call or on the Internet, on the encoded input goods, you can know the authenticity of the product, thus breaking the traditional security products likely to be anti-risk and bulk consumers difficult to identify limitations.