Dahewan Town, Hulunbeier City, Inner Mongolia Autonomous Region, under the jurisdiction of Zalantun Town, is located in the southeast of Zalantun City, east and southeast of the Jinjie Trench as the border and Gannan County, Heilongjiang Province, adjacent to the south and southwest of the town of Genghis Khan, northwest of the GaoTaiZi bunker as the border with the city of Zalantun connected to the north of the farm with the big river Bay, DaHuEr national township adjacent to the northeast and the ah RongQi sound river, the administrative region covers an area of 343.96 Square kilometers. In the thirty-seventh year of the Republic of China (1948), set up Dahewan Nutuq. 1979, transferred back to the Inner Mongolia Autonomous Region. on September 22, 1994, changed to Dahewan Town. As of the end of 2018, Dahewan Town had a household population of 29,165. As of June 2020, Dahewan Town has 2 communities and 14 administrative villages under its jurisdiction. In 2011, the per capita net income of farmers in Dahewan Town was 7,798 yuan.In 2018, there were 101 general stores or supermarkets with a business area of more than 50 square meters in Dahewan Town.