Telephone area code
Milk powder is genuine if it is not scratched, and fake or non-genuine if it is not scratched. The code is the area code, because brand products are sold by regional agents. In order to prevent the goods from being smuggled, the company will print the area code on each product.
Scrape off the area code
In order to accomplish the company's task, some customers fled to other markets to buy low-priced goods. In order to prevent the company from being caught, they scraped off the area code. The scraped products are called scraped products, and those that are not scraped are called scraped codes.
Return channel
If the goods are in good condition, consumers can return them directly to the seller. Most shopping centers don't know anyone, and vendors will deliberately crack the password. Milk powder usually reads the password.
Pay attention to authenticity
Some dealers are not allowed to sell or scrape off the code for other reasons, so pay attention to the authenticity of the goods when choosing. After the rise of scratch code online shopping, many businesses will take this opportunity to exploit a loophole.
Uniqueness
Uniqueness refers to the one-to-one correspondence between a commodity item and its identification code, that is, a commodity item has only one code, and a code only identifies the same commodity item. Once the commodity item code is determined, it will never change. Even if the production and supply of the commodity stop, the code shall not be allocated to other commodity items for a period of time.
Meaningless code
Meaningless code means that the code number itself and its position do not represent any specific information of the commodity. In EAN and UPC systems, commodity coding is only a means to identify commodities, not a means to classify commodities. Meaningless makes commodity coding have the advantages of simplicity, flexibility, reliability, full use of code capacity and strong vitality. This coding method is especially suitable for larger commodity systems.