Hello, many brands have sent their products to the appraisal certificate. You can go to the designated website of this appraisal institution through the information on the appraisal certificate, but it does not rule out some bad situations, such as the merchant using the real certificate but changing to another product. I suggest you take it for identification yourself. If you are in Guangzhou, you can also come to the appraisal center of the Geological Bureau to check. .................................................................................................................................................................