China Jewelry Inspection Center is a legally authorized jewelry and jade quality inspection institution. It has passed the qualification certification of the national product quality supervision and inspection institution and obtained the metrological certification certificate. It is a third-party testing institution recognized by the laboratory and can produce certified data and results. Their test data results are quite reliable. Because it's not for a questionable test certificate.
And revoke its testing qualification certificate. You can check the official website certificate number of the testing center and the total quality of the goods tested by the certificate (you can't just check by the number).
After the certificate is issued by the testing organization, there are photos, identification results, total quality, color, shape, structural testing data and results records in the background.