There is a building materials market near Chenggong Blu-ray Tianjiao City in Kunming. Display by querying Baidu map. There is a building materials market near Chenggong Blu-ray Tianjiao City in Kunming. The map shows that there are three building materials markets: Yunfeng Building Materials City, Shunda Building Materials City and Dongcheng Building Materials Market, so there are also building materials markets nearby. Kunming, also known as Spring City, is a prefecture-level city, provincial capital, megacity and central city in Yunnan Province, one of the important central cities in western China determined by the State Council, and an important tourist and commercial city in China. As of 202 1, the whole city has seven districts, three counties, 1 county-level cities and three autonomous counties, with a total area of 21kloc-0/2.54 square kilometers, a permanent population of 8.6 million, and an urbanization rate of 81./kloc.