litongquIntroduction：Brief introduction of Litong: Litong District belongs to Wuzhong City of Ningxia Autonomous Region. It is in the inland of northwest China, in the middle of Ningxia Plain. It is one of the core areas of economic development in Ningxia, and is the political, economic and cultural center of Wuzhong City. As of 2012, the area is 1384 square kilometers. It consists of 8 towns, 4 townships, 104 villages, 3 farm offices, 17 urban communities, 381,000, of which Huizhou is 214,000, accounting for 57.2%. Litong District is active in trade and circulation. It is known as the “water and dry dock” and is a traditional material distribution center in the northwest region. It has 35 professional and comprehensive wholesale markets. In 2010, the per capita disposable income of urban residents was 14,544 yuan, and the per capita net income of farmers was 6,761 yuan.