It is located in front of Dahongshan, a national scenic spot in the south of Suixian County, with the east path11309'-1318' and the north latitude of 3 1 2 1 '-3 1. He Dian Town, Zengdu District in the east, jingshan county and Sanligang Town in the south and Junchuan Town in the northwest. Total area: 187.2( 197) km2, total population: 26,000, including 23,000 agricultural population. 1949 established Liulin district, 1958 was changed to commune, and 1984 was under the jurisdiction of Junchuan district. 1987 was changed to a municipal town. 1997, with an area of 196.4 square kilometers and a population of 25,000, governs Zhengjiahe, Changling, Gaoling, Qiyi, Sara, Guchengfan, Limin, Fengyu, Jinqiao, Jieshiya, Yuquan, Tianxing, Yuanzihe, Lianhua and Jin Yan. In 2009, Zengdu District was placed under the jurisdiction of the newly established Sui County.