Minghuida Building According to Baidu map information, the largest jewelry market in Changsha is Minghuida Building in Wuyi Square, Furong District, Changsha City. Changsha Shuibei is the largest gold and jewelry wholesale market in Hunan, located in the May 1st business district. It is recommended to take the subway or bus, which is inconvenient to drive. If you drive, you can park your car in New World Department Store.