1. professional team and qualification certification: the testing center has a professional team composed of precious metal analysts, professional senior engineers, jewelry appraisers and registered jewelry quality inspectors. Have profound professional knowledge and rich experience, and hold national and internationally recognized professional qualifications.

2. Advanced testing equipment and methods: Guangdong Gold, Silver and Jewelry Testing Center is equipped with advanced testing equipment and instruments, and adopts international advanced testing technologies and methods. After strict calibration and verification, the equipment and method ensure the accuracy and reliability of the test results.

3. Legal effect and international recognition: The reports and certificates issued by Guangdong Gold, Silver and Jewelry Testing Center have legal effect, and the test results are recognized domestically and widely accepted internationally. It provides a strong guarantee for consumers and customers.