What is the barcode used for, and what is the barcode on the product for?

There are a lot of secrets hidden in barcodes

Barcode can be used in all walks of life, the main role is to be able to track the whole process of each commodity or service, through the barcode you can know the country of production of the commodity, the manufacturer, the name of the product, the date of production, the book classification number, the mail start and end location, category, date and many other information.

A barcode is equivalent to the ID card of a commodity, and the era of e-commerce can better effectively manage the goods. It greatly improves the efficiency of goods circulation. It can also grasp the information of the goods more accurately and can better trace the source.

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Questions. The barcode on the canned milk powder is scanned out to be a paper towel! Could such a product be a counterfeit product?

It's illegal. Commodity barcode represents the ID card of the commodity, each commodity has only one commodity barcode in the world, and the barcode can be scanned with a special photoelectric scanner to know the name, texture and texture of the commodity.

The barcode and the product must be matched one by one.

Otherwise, it is illegal.

No, some of them have use value, but they are not commodities at all, because they cannot be traded normally like ordinary commodities, or they do not contain socially necessary labor, and even if they contain a small amount of labor, it is not socially necessary labor in the general sense, but labor spent in order to obtain an illegitimate benefit for the purpose of an unequal transaction, and it may even be a kind of labor that produces harm, so it cannot be recognized by society (even if the transaction takes place, it is because the purchaser does not know the truth, Consumers won't buy fakes), it's worthless.

The main uses of Hello are as follows:1Representing product categories, such as the barcode on cigarettes, the 13-digit barcode on the same cigarette, are all the same.

This barcode is called EAN-13 code, also known as commodity code, and you need to go to the relevant department to register before you can use it. 2.Represent product categories for easy management.

This is usually seen more in supermarkets. Some products in the supermarket do not have the EAB-13 code mentioned in the above article, so the rubber book supermarket will affix the barcode defined by the supermarket according to different categories. The above two practical aspects are the same, and the difference lies in the fact that the first is to apply for registration, and the second is the internal norms formulated by the enterprise.

3.Represents a separate product. Usually Liang Hong is used as the serial number.

For example, there is a barcode on the nameplate of household appliances, and this barcode is unique and only represents a product. It is used for the management of product production, inventory, quality assurance, etc. 4.

Special industry management. For example, the postal service has a special code for management, which can be seen on the back of the envelope. 5.

Security. Through the back-end database, each barcode has a unique corresponding data. Number of scans.

In fact, the socks in the barcode hide a lot of secrets

A barcode is a graphic identifier that expresses a set of information by arranging multiple black bars and blank spaces with a width that is not traceable, etc., according to certain coding rules. A common barcode is a pattern of parallel lines arranged by black bars (referred to as strips) and white bars (referred to as blanks) with very different reflectivity. Barcode can mark the country of production of the early article, the manufacturer of the potato manufacturer, the name of the product, the date of production, the book classification number, the place of mail start and end, the category, the date and many other information, so it has been widely used in many fields such as commodity circulation, book management, postal management, banking system, etc.

Many of the goods in the supermarket are printed with parallel stripes of different widths and black accents, which is the ID card of the commodity. Each commodity has only one commodity in the world, when it is identified by the bar-shaped judgment Zheng grinding code. Digging buckets.