Duolun County, under the Inner Mongolia Autonomous Region Xilingol League. Located in the central part of the Inner Mongolia Autonomous Region, southeast of Xilingol League, is located in the southern edge of the Inner Mongolia Plateau, the northern foot of the eastern end of the Yinshan Mountain Range, is a temperate semi-arid to semi-moist transition of the typical continental climate, adjacent to the five banners, counties, with a total area of 3863 square kilometers. As of October 2022, Duolun County has 3 towns, 2 townships, and 1 other township-level unit under its jurisdiction. As of the end of 2022, the total number of households in Duolun County was 52,243, with a total household population of 111,411. Dolun, known as "Dolenor" in Mongolian, means seven lakes (also known as the Seven Star Pool). Republic of China in two years (1913), the abolition of DuoLunNuoer FuMin Hall, set up for DuoLun County; Republic of China seventeen years (1928), Chahar Special Administrative Region to province, DuoLun County belongs to; August 1950, according to the decision of the Ministry of the Interior of the central government, DuoLun County to the Inner Mongolia Autonomous Region, under the Chahar alliance; October 1958, Xilin Gol League and Chahar alliance merger, the withdrawal of the Chahar alliance establishment, DuoLun County Dorun County is subordinate to Xilin Gol League. The main attractions of Duolun County include Duolun Lake, Shanxi Guild Hall, Baiyin Tribe, etc. On January 6, 2020, Duolun County was selected as one of the "Fourth Batch of Demonstration Counties (Municipalities and Districts) of the Nation Taking the Lead in Basically Realizing the Mechanization of the Whole Process of Production of Major Crops".On July 17, 2020, Duolun County was selected as one of the "Inner Mongolia Autonomous Region Model of Double Support". On July 17, 2020, Duolun County was selected as one of the "Inner Mongolia Autonomous Region Model Cities (Flag Counties and Urban Areas)". on December 29, 2022, Duolun County was selected as one of the "Fifth Batch of Counties (Districts) Achieving the Standard of Water-saving Social Construction". In 2022, the gross domestic product (GDP) of Duolun County amounted to RMB 6.318 billion, with a year-on-year growth of 5.0%; the ratio of the added value of the first, second and third industries was 21.24:43.86:34.90; the revenue of the general public budget amounted to RMB 306 million, with a year-on-year growth of 5.3%; the investment in fixed assets increased by 41% year-on-year; and the disposable income of urban and rural residents per capita amounted to RMB 31,115, with a year-on-year growth of 4.3%. year-on-year growth of 4.3%.