You can enter the anti-counterfeiting code on the back of the product on the official website to query.

Specific steps:

1. Open any browser for search.

2. Enter naturang in the browser search box and click search.

3. Then click on the official website of Nature Hall in the search results to enter the official website.

4. Then click on the anti-counterfeiting query on the homepage of the official website of Nature Hall.

5. Then enter the product code and click Query.