Yes According to the inquiry of Shenzhen Consumer Council, the website of the National Gold, Silver and Jewelry Quality Inspection Center can get very accurate inspection reports, with professional equipment and professional staff, and the accuracy rate reaches 95%. China National Gold, Silver and Jewelry Quality Inspection Center, approved by relevant state departments, is a legally established institution specializing in the quality inspection of precious metals, jewelry and jade, and has passed the evaluation of National Laboratory Accreditation (CNAS), International Mutual Recognition (ILAC) and Metrology Certification (CMA). It is a fair third-party gold, silver and jewelry inspection institution, and the reports and certificates issued by it have legal effect, and undertake entrusted inspection, quality supervision, spot check and arbitration inspection of precious metals, jewelry and jade products nationwide.