What is the geographical location of Yanjiao?

Yanjiao, a town in sanhe city (county-level city) under the jurisdiction of Langfang City, Hebei Province, is also a national high-tech development zone. The geographical location is superior, and it is only separated from the capital Beijing by a river (Chaobai River). Now there are not only a large number of Chinese and foreign enterprises, directly affiliated institutions and universities in Beijing, but also tens of thousands of office workers and a large number of migrants. This is a town with a strong immigrant color. ? Yanjiao is located in the east of Beijing, only 42.5 kilometers away from Tiananmen Square, the capital center of the motherland, and 33 kilometers away in a straight line, which is closer to the city center than many suburban counties such as Miyun and Huairou in Beijing. Yanjiao borders Tongzhou District in the west, Shunyi District in the north and Dachang County (Hebei) in the east and south. ? Second, Yanjiao is very convenient to get in and out of Beijing, with two expressways. 1, drive first, Jingtong quickly connects to Yan Expressway, only ten minutes away from CBD area, and there is no traffic jam; The second line is Jingping Expressway, which is about 20 minutes away from Sanyuan Bridge. 2. Bus? There are 1 1 930 lines.