China Association for the Promotion of International Exchanges Jewelry Quality Supervision and Inspection Center Beijing Gujin Jewelry Testing Center is a third-party testing institution that has passed the national metrology certification, which is really reliable.

Beijing ancient and modern Pearl Baby Testing Center is absolutely reliable, reliable and trustworthy. This is completely beyond doubt, and it is an appraisal center that is absolutely worthy of everyone's trust. This is because all jewelry appraisal and testing platforms must go through strict national examination and obtain qualification certification before they can be launched for public use.