Colorado Springs is a home rule municipality in, and the county seat of, El Paso County, Colorado, United States. It is the largest city in El Paso County, with a population of 478,961 at the 2020 United States Census, a 15.02% increase since 2010. Colorado Springs is the second-most populous city and the most extensive city in the state of Colorado, and the 40th-most populous city in the United States. It is the principal city of the Colorado Springs metropolitan area and the second-most prominent city of the Front Range Urban Corridor. It is located in east-central Colorado, on Fountain Creek, 70 miles (113 km) south of Denver.
Qingan County, which belongs to Suihua City, Heilongjiang Province, is located in the intersection of Songnen Plain and Xiaoxinganling in the middle of Heilongjiang Province. It belongs to the middle and upper reaches of Hulan River Basin. It covers an area of 5469 square kilometers and has jurisdiction over 14 townships and 93 villages with a total population of 412000. Hajia Railway, Hay Highway and Jina Highway pass through the border, 170 kilometers away from Harbin. Qingan County belongs to the low mountain and hilly plain area, which belongs to the cold temperate continental monsoon climate, which is suitable for planting rice, corn, soybean and other crops. Qingan is a national green food A-grade rice production base, which enjoys the reputation of "the hometown of green food in China". On January 25, 2019, he was selected as the national "Ping an Agricultural Machinery" demonstration county in 2018. The quality of farmers' cooperatives across the country will be improved and pilot units will be promoted throughout the county.