At nine o'clock. According to the announcement of Nanchang International Jewelry City, the jewelry city opens at 9: 00 and closes at 18: 00. The address is at the intersection of Hongcheng Road and Anshi Road. Hongdu, that is, Nanchang, the flag of August 1st was raised here, and the China People's Liberation Army was born here. Nanchang, the capital of Jiangxi Province, is one of the megacities in China, a world-famous vibrant city and one of the 20 fastest growing cities in the world.