It's basically fake. "Certificate" refers to jewelry and jade products. Take the product sample to the appraisal institution to issue a certificate, and other products of the same model will directly copy the certificate for sale. Earlier, the "National Jewelry and Jade Quality Supervision and Inspection Center" replied to the media: "This center is only responsible for the samples submitted for inspection, and does not guarantee that all the appraisal certificates marked by our center in the live broadcast are true."