Dajin Town, Kaixian County, Chongqing City, the town hall is located in Dajin Dam, 325 meters above sea level, 54 kilometers away from the county seat of Kaixian County. Three provincial highways - open the city highway through the territory, traditionally leading to Chengkou, Xuanhan County, as well as Gan, Shaanxi's important traffic, is the most important border trade and distribution of materials in Chongqing, Sichuan, Shaanxi, is the northern mountainous area of Kaixian political, economic and cultural center.