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.
Ningjin County is under the jurisdiction of Xingtai City, Hebei Province, located in the south-central part of Hebei Province and the north of Xingtai City, with an administrative area of 1107 square kilometers, 1 street, 11 towns and 5 townships, with a resident population of 781400 (2014). 23 Tianbao East Street, Fenghuang Town, County people's Government. Ningjin County is located in the alluvial plain at the eastern foot of Taihang Mountain, with low, flat and open terrain, tilting from northwest to southeast. Fei River, Fuyang River, Laozhang River, Beili River, Huan River and other 11 rivers converge here, known as "the tip of the Nine Rivers". It belongs to the warm temperate zone with semi-arid monsoon climate. Mineral resources include oil, natural gas, rock salt, geothermal and so on. Ningjin County is a traditional agricultural county, growing crops mainly to wheat, corn, specializing in snow pear, Yali pear, edible fungi. The industry has formed solar cells with monocrystalline silicon,