What's the use of Ethereum gold

Query methods / steps of commodity barcode information:

1. Open the website of China article coding Center (article coding Center)

the barcode itself does not matter whether it is true or false, but the goods in the package are true or false

it's not that the procts corresponding to the bar code that can't be found on the website of the commodity coding center are fake, because after the commodity manufacturers apply for the bar code of their enterprises at their local quality inspection and Quarantine Bureau, it will be sent to the server of the national commodity coding Center for a long time, It cannot be found

there is a time limit for the use of commodity bar code. Enterprises need to renew the bar code every year to continue to use the bar code. Otherwise, the bar code will be deleted from the website of the commodity coding center. If you query the bar code of the commodity ring this period, you can't find it

an-13 general commodity bar code generally consists of prefix part, manufacturer code, commodity code and check code

the prefix code in the bar code of commodity is used to identify the country or region. The code is assigned to the international article coding Association, such as 00-09, which represents the United States and Canada. 45-49 stands for Japan. 690-695 represents the Chinese mainland, 471 represents the Taiwan region of China, and the 489 represents the Hongkong Special Administrative Region. p>

the authorization of manufacturer's code is in the article coding organization of each country or region, and the manufacturer's code is given by the national article coding center in China. Commodity code is the code used to identify the commodity, and the right to assign code is exercised by the proct manufacturer. At last, the 1-digit check code is used to check the correctness of the l-12 digit code from the left

network bar code

No, it is impossible to determine the authenticity of lipstick according to the barcode

bar code technology is a kind of automatic identification technology which is widely used in the fields of Commerce, post, library management, warehousing, instrial proction process control, transportation, packaging, distribution and so on

bar code can mark many information such as country of proction, manufacturer, commodity name, proction date, book classification number, starting and ending place of mail, category, date, etc. It mainly has the following characteristics:

uniqueness: the same proct of the same specification corresponds to the same proct code, and the same proct of different specifications corresponds to different proct codes. According to the different nature of the proct, such as: weight, packaging, specifications, smell, color, shape, etc., give different commodity code

permanence: once the proct code is assigned, it will not be changed and will be lifelong. When this kind of proct is no longer proced, its corresponding proct code can only be shelved and cannot be used repeatedly and then assigned to other procts.

although the bar code has the characteristics of uniqueness and so on, the bar code can only let you confirm that the proct information corresponding to the bar code is correct, and it does not mean that the proct is genuine, Because fake and shoddy procts can also use the correct stripe code to fake

extended information:

query the authenticity of the proct. We can verify it in the following ways:

1. Official website of the brand: find the official website of the purchased proct, open the authenticity verification page, and verify the authenticity through the verification code on the anti-counterfeiting label of the outer package

2. China Commodity information verification center: the top third-party verification platform in China, which can be verified by inputting anti-counterfeiting code

3. National 315 anti-counterfeiting inspection center: 315 official anti-counterfeiting query, input verification code to query