San Antonio (/ˌsæn ænˈtoʊnioʊ/ SAN an-TOH-nee-oh; Spanish for "Saint Anthony"), officially the City of San Antonio, is a city in Texas, United States. The city is the seventh-most populous in the United States, the second-largest in the Southern United States, and the second-most populous in Texas. It is the 12th most-populous city in North America, with 1,434,625 residents in 2020.
Founded as a Spanish mission and colonial outpost in 1718, the city in 1731 became the first chartered civil settlement in what is now present-day Texas. The area was then part of the Spanish Empire. From 1821 to 1836, it was part of the Mexican Republic. It is the oldest municipality in Texas, having celebrated its 300th anniversary on May 1, 2018.
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.