akesaixianIntroduction：Introduction to Subei: Subei Mongolian Autonomous County belongs to Jiuquan City, Gansu Province, in the northwest of Gansu Province, on the north and south sides of the west end of the Hexi Corridor. The county is divided into two unconnected areas, Nanshan and Beishan, with 66,748 square kilometers, surrounded by a country and three. Three provinces and cities in the provinces (districts) meet. It consists of 2 towns, 2 townships, and 11,741 people (2012), of which 4,446 are Mongolians, accounting for 37.9%. In the pre-Qin period, Subei County had nomadic activities; in the Western Han Dynasty, it was incorporated into the Central Plains dynasty, belonging to Dunhuang County; the post-war events continued, and the affiliation was repeated. The local political power and nomadic powers were inconsistent, and the central government had weak control. In the Qing Dynasty, it belonged to Gansu Province. In the 25th year of the Republic of China (1937), the Suba Set up Bureau was set up. In July 1950, it was liberated. In 1955, the Subei Mongolian Autonomous County was established. The natural environment in the north and south of Subei County is very different. The average elevation of the Qilian Mountains in the southern part of the Nanshan Mountain is more than 3,500 meters. The unity peak is 5826.8 meters above sea level, which is the highest peak in Gansu Province. The foothills are the high plains of the sloping Gobi. The Beishan area is a medium-low mountain and a mound landscape, and the Gobi is widely distributed. Tourist attractions include Danghe River Gorge, Transparent Mengke Glacier, Yanchiwan National Nature Reserve, Subei People's Park, and five temple grottoes. Subei County has a total of 46.76 million mu of natural grassland, mainly raising cashmere goats, yak, camels and other livestock, and a small amount of cultivated land; coal, gold, iron ore and non-ferrous metals are abundant, and the mining industry is the economic pillar of Subei County. In 2012, the regional GDP was 3.762 billion yuan.