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.
Yangzhong, under the jurisdiction of county-level cities in Jiangsu Province, is hosted by Zhenjiang City. Located in the middle of the river in the east of Zhenjiang City, the golden waterway-the middle and lower reaches of the Yangtze River, and in the demonstration area of modernization in southern Jiangsu, it is a member of the county-level cities in Nanjing metropolitan area, "facing Yangzhou and Taizhou in the north and separated by water in Zhenjiang and Changzhou in the south. The city is composed of Taiping Island, Central Sha Island, Xisha Island and Leigong Island, with a total area of 331 square kilometers, of which the land area is 243 square kilometers. The deepwater coastline along the Yangtze River is 62.7 kilometers. It has jurisdiction over 4 towns, 2 streets, Yangzhong Economic Development Zone and Yangzhong High-tech Zone, with a total population of 340000, which plays an important role in the overall development of Zhenjiang. Yangzhong industry has distinctive characteristics, is the well-known "electric island" and "photovoltaic island", and the "Yangtze River Manufacturing Corridor" in which the electrical field is the largest in China.