1, Hunan Gold Gemstone Product Quality Supervision Station was established in accordance with the law on1July, 993, located in Meinan Road, Changsha City, mainly engaged in the detection and identification of Changsha jewelry, Changsha Hetian jade, Changsha jade, Changsha jade, gold and other treasures.
2. Changsha Gemstone Product Quality Inspection Station was established on 20 15, located in Sujiaxiang, Huangxing South Road, Changsha City, mainly engaged in the detection and identification of jadeite, jade and gold.