The following content comes from the "Commodity Barcode Frequently Asked Questions"

1. Q: What is a product bar code?

Answer: The commodity bar code is composed of a group of regularly arranged bars, spaces and their corresponding codes, indicating the commodity code.

Bar code symbols, including codes and bar code identification.

2. Q: What does the code structure of the 13-digit bar code include?

Answer: The 13-digit code structure consists of three parts: manufacturer identification code, commodity item code, and check code.

3. Q: What is the prefix code?

A: The first 2 or 3 digits of the commodity code are uniformly assigned by the International Item Numbering Society (GS1).

4. Q: What is the manufacturer identification code?

Answer: The manufacturer identification code refers to the unique code representing the manufacturer in the international commodity identification system.

The commercial identification code consists of 7 to 10 digits, and my country is responsible for the distribution and management of the China Article Numbering Center.

5. Q: Who assigns the commodity item code?

Answer: The commodity item code consists of 5 to 2 digits, which is generally compiled by the manufacturer, and can also be compiled by Chinese items.

The code center is responsible for the compilation.

6. Q: What is the meaning of the prefix code 690-695 of the product bar code?

A: The prefix codes 690-695 are assigned by the International Article Number Society (GS1) to the China Article Numbering Center.

Identification codes, vendor identification codes beginning with these prefixes are assigned and managed by the China Article Numbering Center.

7. Q: Where can I get a list of GS1 prefix codes?

Answer: You can log in to the homepage of the China Article Numbering Center website (www.ancc.org.cn), and then click the utility bar.

For inquiries in the "Country and Regional Prefix Code Inquiry" section of the directory, or call the China Article Numbering Center for National Unity.

Call the Counseling Service at 400-7000-690 for counseling.

8. Q: Can I directly identify the origin of the product through the product bar code?

Answer: No. Product bar codes only reflect the manufacturer's identification with which GS1 coding organization the holder is registered with.

The code does not indicate where the product was produced.

9. Q: In the supermarket, when the cashier scans the bar code on the product package with a bar code reading device, what is the name of the product?

Information such as scale, specification, price, etc. are displayed immediately. Are all these information stored in the bar code?

A: The bar code on the package of retail products does not contain the price and other information of the product. When the checkout front desk reads the device.

After scanning the bar code, the relevant information of the product identified by the bar code is immediately found from the computer database.

Then display it on the POS terminal, so as to get the name, specification, price and other information of the product.

10. Q: What kinds of bar codes are used for retail commodity codes?

A: The bar code of the retail commodity code is represented by the EAN/UPC barcode system, and the EAN/UPC bar code includes EAN-13, EAN-8, UPC-A, UPC-E four structures.