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.
Yangxi County, founded in 1988, belongs to Yangjiang City, Guangdong Province, located on the southwest coast of Guangdong Province, facing Jiangcheng District to the east, Yangchun City to the north, Dianbai District to the west and Nanhai to the south. The total area of the county is 1455 square kilometers and the coastline is 126.6 kilometers long. 325 National Highway and Guang-Zhan Expressway run through the whole territory and form a sea and land transportation network with coastal highway, Yangyang railway and national first-class port Yangjiang port. Yangxi is located in the transitional zone between the south subtropics and the middle subtropics by the mountains and the sea. Yangxi County is the "China knife Center", "China plastic blowing Film Grade Color Masterbatch production Base", "National Jinjiang Oyster hanging and raising Standardization demonstration Zone", and "the hometown of Guangdong Folk songs." In 2014, the GDP of Yangxi County was 16.417 billion yuan. Yangxi County is a pilot project of a country with strong intellectual property rights.