Does the subject want to ask, "Where did Nanchang learn to turn white and black?" Hongmei International, Luoyang Road, Xihu District. According to Baidu map query, the place where Nanchang's hair turns white and black is Hongmei International, located in Luoyang Road, Xihu District. This institution has set up a hairdressing training class, and you can learn that Nanchang's hair turns white and black. Nanchang is a prefecture-level city under the jurisdiction of People's Republic of China (PRC) and the capital of Jiangxi Province, which is located in the north-central part of Jiangxi Province.