Wichita (/ˈwɪtʃɪtɔː/ WITCH-ih-taw) is the largest city in the U.S. state of Kansas and the county seat of Sedgwick County. As of the 2020 census, the population of the city was 397,532. The Wichita metro area had a population of 647,610 in 2020. It is located in south-central Kansas on the Arkansas River.
Wichita began as a trading post on the Chisholm Trail in the 1860s and was incorporated as a city in 1870. It became a destination for cattle drives traveling north from Texas to Kansas railroads, earning it the nickname "Cowtown". Wyatt Earp served as a police officer in Wichita for around one year before going to Dodge City.
Chongxin County is located in the east of Pingliang City, bordered by Jingchuan and Lingtai counties to the east, Huating County to the west, Kongtong District to the north, and Longxian County, Shaanxi Province to the south, between 35 °1 Latitude 35 °25 °N and 106 °50 °E, 107 °10'. The total land area is 850km2, with a width of 35km from east to west and 41.5km from north to south. The climate is warm and semi-arid continental climate zone. It is cold and dry in winter and spring, warm and rainy in summer and autumn, with an annual average temperature of 10.7km2, sunshine of 2296 hours, rainfall of 400ml / 500mm and frost-free period of about 190days. In February 2018, Chongxin County had jurisdiction over 4 towns, 2 townships, 1 industrial concentration area, 1 urban community management committee, 79 administrative villages and 410 cooperatives, with a total population of 103500, including agriculture.