How to identify authentic and fake Yanghe Blue Classic?

1. Log in to the official website of Yanghe Jiangsu Yanghe Winery Co., Ltd. (Sujiu Group). As shown below:

2. Select the service option and you can see the defense query button. As shown below:

3. Click the defense query button to jump to the page. As shown below:

4. Enter your production license number, click Submit, and jump to the query results page. As shown below:

5. You can get the query results (incorrect input will cause the query to fail), as shown below:

Reference: Jiangsu Yanghe Winery Co., Ltd. (Sujiu Group): Anti-counterfeiting query