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.
Pingshan County is a county under the jurisdiction of Yibin City. Because there is Baoping Mountain in the east of the county, the mountain is like a barrier, which gets its name. Pingshan County is located in the lower reaches of Minjiang River, Yibin City in the east, Leibo County and Mabian Yi Autonomous County in the west, Muchuan County in the north and Suijiang County in Yunnan Province in the south. The county seat is 42 kilometers away from Yibin and 300 kilometers away from Chengdu. By the end of 2018, Pingshan County had jurisdiction over 9 towns and 6 townships (including 2 Yi townships), with a total area of 1504 square kilometers, with a registered population of 312780 and 23 ethnic minorities. In 2017, the gross domestic product (GDP) of Pingshan County reached 4.80615 billion yuan, an increase of 8.5%. Among them, the added value of the primary industry is 1.62516 billion yuan, the secondary industry is 1.59822 billion yuan, and the tertiary industry is 1.58277 billion yuan.