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.
Renqiu City is a county-level city under the jurisdiction of Cangzhou City, Hebei Province, located in the middle of Hebei Province, west of Baiyangdian, is the hometown of doctor Bian Que, Huabei Oilfield headquarters is located. The city covers an area of 1012 square kilometers and has jurisdiction over 7 streets, 9 towns, 6 townships, 2 development zones (industrial parks) and 413 administrative villages. The total population is 867148 (2013). Renqiu is located in the north-central part of the North China Plain, mainly growing wheat, corn and other food crops. Rich in underground oil and natural gas resources, it is an important oil producing area and petrochemical base in North China. Renqiu is one of the major cities and cities designated by the State Council to open to the outside world and the economic circle around Beijing and Tianjin. Since the Ninth five-year Plan, Renqiu's comprehensive strength has been in the forefront of the "top 10" counties and cities in Hebei Province, and has been listed among the top 100 counties and cities in the country for many years in a row.