The Kansas City metropolitan area is a bi-state metropolitan area anchored by Kansas City, Missouri. Its 14 counties straddle the border between the U.S. states of Missouri (9 counties) and Kansas (5 counties). With 8,472 square miles (21,940 km2) and a population of more than 2.2 million people, it is the second-largest metropolitan area centered in Missouri (after Greater St. Louis) and is the largest metropolitan area in Kansas, though Wichita is the largest metropolitan area centered in Kansas. Alongside Kansas City, Missouri, these are the suburbs with populations above 100,000: Overland Park, Kansas; Kansas City, Kansas; Olathe, Kansas; Independence, Missouri; and Lee's Summit, Missouri.
Loufan County is a county under the jurisdiction of Taiyuan City, Shanxi Province, with geographical coordinates of 111 °31 degrees east longitude and 38 °13 degrees north latitude, located in the northwest of Taiyuan City, the hinterland of Luliang Mountain and the middle and upper reaches of the Fenhe River, 97 kilometers away from the provincial capital Taiyuan, east by Gujiao, west by Fangshan, adjacent to the city in the south, north by Jingle and bordering Lanxian County in the northwest. It is a national key county for poverty alleviation and development in mountainous areas, old areas and reservoir areas. It is also the most important water source and ecological barrier in Taiyuan. Loufan County has a total area of 1289 square kilometers. As of 2012, Loufan County has jurisdiction over 3 towns, 5 townships, 6 neighborhood committees and 142 administrative villages, with a total population of 123000, including an agricultural population of 96000. September 25, 2018, won the Ministry of Commerce "2018 e-commerce into rural areas"