1. There are two lines of black inkjet code on the box. The first line is the production date. The number at the beginning of the second line is 0. The second number represents the number of factories. For example, 01 is the first factory. Yes, 02 is from the second factory, and so on.

2. The inkjet code is also on the cap of each bottle of beer. The identification method is the same as above.

3. Bottled Tsingtao beer in plastic bags can be identified as follows:

4. There are also two lines of spray code on the front label of the bottle, white, such as Laoshan beer ( The spray code of Laoshan Beer (now also owned by Tsingtao Brewery) is just above the word "wine" in "Laoshan Beer". The first line is the production date, the first number in the second line is 0, and the second number represents the date. Those produced by factories, such as 05, are from Factory Five.

Tsingtao Beer implements regional sales in the urban area of ??Qingdao, which means that it is difficult to cross-stock in various urban areas. Each wholesaler is also very active in controlling the retailers in its own area, and achieves almost weekly sales. There are inspections, door-to-door delivery, and help with sorting, so even small stores are unlikely to have fake goods. Tsingtao Brewery has severe penalties for cross-selling goods in urban areas, which to a certain extent protects the interests of wholesalers and also ensures In order to protect the interests of consumers, consumers can drink wine with confidence.