1, national standard: Guoyuan Jewelry Appraisal Center was established according to national standards, which means that the institution has accepted the supervision of national laws and the appraisal results are authoritative and credible.

2. Professional team: Guoyuan Jewelry Appraisal Center has a team of professional appraisers who have undergone strict professional training and certification, have rich experience and professional knowledge, and can accurately identify jewelry.