Bar code is a kind of black and white line identifier, which can be found on every product. It can indicate the country of production, manufacturer, trade name, production date and other information of the product. Now collectively referred to as "bar code".

Milk powder barcode is a barcode printed on milk powder cans or milk powder packaging bags. Its prefix code is the code of the country where the product is registered, but it does not represent the country of origin of the product.

Bar code query mode

The most direct way to query is to log in to China Article Coding Center:////www.ancc.org.cn/index.aspx

In addition, the simple query method can be preliminarily judged by the prefix code. Barcode generally consists of prefix part, manufacturer code, commodity code and check code. The prefix code can be used to identify the country or region code where the product is registered. Therefore, the local original milk powder barcode prefix will be consistent with the origin code.

Bar code prefixes in some countries and regions? 00- 13 America? ? 30-37 France? 539 Ireland? 958 China Macau 400-440 German? 45-49 Japan? 47 1 Taiwan Province Province, China? 489 China Hongkong? 50 England? 54 Belgium? 57 Denmark? 690-695 China? 73 Sweden? 76 Switzerland? 80-83 Italy? 84 Spain? 87 Holland? 880 Korea? 93 Australia? 94 New Zealand? The meaning of bar code

Bar codes are formulated by ean international and are widely used all over the world. It is the most widely used commodity bar code in the world, which is beneficial to the circulation of commodities.

Therefore, the coding of bar codes follows the principle of uniqueness to ensure that commodity bar codes will not be repeated in the world. That is, a commodity item can only have one code, or a code can only identify a commodity item. Commodities with different specifications, different packages, different varieties, different prices and different colors can only use different commodity codes.

Simply put, bar code is an important means to distinguish the authenticity of goods.

The EAN- 13 universal commodity barcode generally consists of prefix (1-3 digits), manufacturer code (4-8 digits), commodity code (9- 12 digits) and check code (13 digits).

Prefix code: a code used to identify a country or region, which is given weight in ean international.

Commodity code: a code used to identify commodities. The right to assign codes is exercised by the production enterprises themselves, and the production enterprises decide which Arabic numerals to use for their commodities according to the specified conditions.

Check code: used to check the correctness of l- 12 digital code from the left of commodity bar code.