There are three query methods for price codes, as follows.
1. According to the official website of China Article Coding Center, normal query: On the mall system, you can search by product name and see the product code in the search results.
2. View the original information of the product: In the mall system, you can obtain the product code by viewing the original information of the product.
3. You can obtain the product code by asking the store waiter, contacting the manufacturer, etc.