Zhangjiagoumen Manchu Township, a township under the jurisdiction of Huairou District, Beijing, lies between longitude 116°26′29″~116°42′59″E and latitude 40°50′26″~41°03′33″N. It is located in the northernmost part of Huairou District. Located in the northernmost part of Huairou District, it is bordered by Wudaoyingzi Manchu Township of Luanping County, Chengde City, Hebei Province in the east, Changxiangying Manchu Township and Tanghekou Township in the south, and Yangmujizi Township and Tanghe Township of Fengning County, Hebei Province in the west and north. The area of the township is 301.77 square kilometers. In the twenty-first to thirty-fifth years of the Republic of China (1932-1946), the area of Zhanggoumen belonged to Luanping County; in 1951, it belonged to Sihai County; in 1952, it belonged to Huairou County; in September 1958, it belonged to the Zhanggoumen Management Area of the Iron and Steel People's Commune; in May 1961, it was established as the Zhanggoumen People's Commune; in 1983, the commune was changed to a township; and in April 1984, the township of Zhanggoumen was changed to the Zhanggoumen Manchu Township. Township. As of the end of 2018, Huanagoumen Manchu Township had a household population of 9,891. As of October 2019, there are 15 administrative villages under the jurisdiction of Zhangaogoumen Manchu Township, with the township government stationed in Zhangaogoumen Village, Zhangaogoumen Manchu Township. In 2011, the total industrial output value of Zhangaogoumen Manchu Township was 570 million yuan, an increase of 10% over the previous year. Total financial income of 41.27 million yuan, an increase of 26% over the previous year. Of which 31.47 million yuan of local revenue, an increase of 54% over the previous year. From the point of view of the main taxes, the completion of the sales tax of 19.11 million yuan, corporate income tax of 13.6 million yuan, respectively, an increase of 17% over the previous year, 45%. Value-added tax of 2.1 million yuan, 62% less than the previous year. Per capita revenue of 5,800 yuan, an increase of 26% over the previous year.