Each item of commodities is give a unique QR code ID, ie., “one thing one code”, information is collected during production, warehousing, logistics, sales and consumption.

Consumers can scan the QR code to get the basic commodity information, and interactive with the seller online. For the sellers, they can achieve track-trace, out-zone sale supervision, anti-counterfeiting, maintaining market order, brand construction.

As a result, consumers, sellers and commodities are all connected through QR code. And the accumulated big data can be used for consumer analysis, precise and individualized service.