Huajin National Inspection has created the original 5G electronic certificate, which endows the jewelry appraisal certificate with richer functions and values from the innovative perspective of brand traceability and emotional traceability, and brings a comprehensive upgraded certificate experience to merchants and consumers. Scanning the QR code of brand traceability certificate can not only obtain professional and authoritative appraisal results, but also present brand introduction, product introduction, design concept, casting process and so on. At the same time, the commercial value of jewelry can be fully reflected, which is helpful for terminal sales.