Yanjiao is a town under the jurisdiction of sanhe city. It is located in the border triangle between Hebei and Beijing, bordering Gaolou Town in sanhe city in the north, and facing Lucheng Town, Xiji Town and songzhuang town in Tongzhou District of Beijing across the Chaobai River in the west. The Beijing-Qinhuangdao Railway and Jingha Highway cross the east and west, with a total area of about 108 square kilometers. Yanjiao was named after being located in the suburb of Yan State during the Spring and Autumn Period and the Warring States Period. It has a history of more than 3000 years. At the foot of the emperor, the palace? Fame.
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Yanjiao Town is located at the southern foot of Yanshan Mountain, in the alluvial zone of the middle and lower reaches of Chaobai River, with flat terrain.
Yanjiao Town is a high-tech industry mainly engaged in electronic information, new energy, new materials, biopharmaceuticals, equipment manufacturing and green food. Modern service industry focusing on leisure tourism, health care, modern logistics and cultural creativity. In 20 18, there were 796 industrial enterprises in Yanjiao town, including 77 above designated size.