1, major. China Boyan Jewelry Testing is a third-party testing organization that has been audited by the national certification department and obtained legal qualifications. Very professional and reliable.

2. Appraiser. The appraiser of China Boyan Jewelry and Jade Appraisal Center is a professional worker with long-term practical experience and is familiar with the physical and chemical properties of all kinds of jewelry and jade. So this appraisal center is very good.