Credible. Yuyuan Jewelry Appraisal System belongs to an art appraisal system under Shanghai Yuyuan Jewelry Fashion Group Co., Ltd. Shanghai Yuyuan Jewelry Fashion Group Co., Ltd. is mainly responsible for gold and silver products, jewelry, metal and metal mineral products, handicrafts, department stores, watches and clocks, art appraisal, services, domestic trade (except special provisions), trade brokers and agents (except auctions), industrial investment, investment management, import and export of goods and technologies, etc. According to Shanghai Yuyuan Jewelry Fashion Group Co., Ltd., the company is fully qualified and subject to legal jurisdiction.