Nanchang takes steps to achieve low-carbon dreams As far as nominal GDP is concerned, Nanchang, capital of central China’s Jiangxi Province, can only be listed among the middle and low-ranking second-tier Chinese cities. Nanchang takes steps to achieve low-carbon dreams As far as nominal GDP is concerned, Nanchang, capital of central China’s Jiangxi Province, can only be listed among the middle and low-ranking second-tier cities.