[Evolution] 1958, the evacuation area was Sangluoshu commune, 1984 set up a township, and 1985 set up a town. 1997, with an area of 66 1 km2 and a population of 28,000. Jurisdiction over Sangluoshu, Sujiabao, Jienanchen, Wangpitan, Lihuangtou, Dongchengjia, Hebei Zhanghe, Dadaowei, Henan Liang, Qianhouwang, Sangnandeng, Henan Hou, Nanwu, Jienansun, Shawayu, Liujiadian, Di Ouyang, Henan Liu, Zhijia, Shaomazhang and Henan Lin. Dadaozhang, Hanlongzhang, Louziwang, Houwangdian, Shi Jia, Wa Xiliu, Wa Dongliu, Jia Wei, Hu Jia, Chengjiakou, Xindian Street, Xiaoyinjia, Tianjia, Jia Dan, Weizigao, Liu Zengjia, Meng Liu Zhuang and Yan Jia.