It's true. Gulongxuan is a well-run shopping mall. The jewels they sell are genuine and appraised by the famous appraisal agency SGC. Jewelry has a broad sense and a narrow sense. Jewelry in a narrow sense refers to jade products. Jewelry in a broad sense should include jewelry, handicrafts or other treasures made of gold, silver and natural materials (minerals, rocks, organisms, etc.). ) and has certain value.