How to use the patent number to inquire about products and product information? What is the relevance of the query?

Hello! You can check the patent information on the website of China National Intellectual Property Administration Patent Office. After entering the website, you can see the patent search click box on the home page, select the patent number in the click box, enter the patent number in the empty box at the bottom of the patent number box, and click search at the bottom of the patent number box to display the detailed information of the patent.