Jewelry enterprises. Hanbao Group is a well-known jewelry enterprise in China, whose main business includes jewelry design, production, sales and investment. Hanbao Group was founded in 1988, and its headquarters is located in Shenzhen, Guangdong Province, China. It owns many jewelry brands such as Hanbao Zhubao, Hanbao Diamond and Hanbao Fashion. Its products cover diamonds, gold, platinum, jadeite, jade, colorful treasures and other jewelry.