Of course. According to Ji Ya's collection. com。 Kunming Gold, Silver and Jewelry Appraisal Center is the only professional institution engaged in the appraisal, testing and evaluation of gold, silver and jewelry in Yunnan Province, China. Founded in 1993, its headquarters is located in the central square of Kunming. The center has a professional team composed of senior jewelry experts and modern testing instruments, providing services such as quality testing, purity identification, imprint inquiry and style design of gold and silver jewelry. It is one of the important representatives of jewelry industry in Yunnan Province.