Qujing is a prefecture-level city in eastern Yunnan province of southwest China, which is similar to many central and eastern parts of the province. It is a part of the Yunnan-Guizhou Plateau. It is an important industrial city and is Yunnan’s second largest city by population, after Kunming. Its population is 5,855,055 according to the 2010 census, of which 659,925 reside in the residential area. Tempered by the low latitude and moderate elevation, Qujing has a mild subtropical highland climate, with short, mild, dry winters, and warm, rainy summers.