First, find the "anti-counterfeiting label" at the registered trademark of the "Double Happiness" brand baking powder can (as shown in the figure below). Scratch off the gray layer on the label and dial 800-7077 315 from a landline or 400-7077 315 from a mobile phone and follow the voice prompts. For text messages, send an anti-counterfeiting code to 130 6255 9395.

Second, if the product is genuine, the phone voice or reply message will prompt: "The first query is a genuine product of our company".

Third, if the product is a counterfeit product, the corresponding prompt is: "The system has verified that the number is not the correct anti-counterfeiting number, please beware of counterfeiting".