Cheng County or Chengxian (simplified Chinese: 成县; traditional Chinese: 成縣; pinyin: Chéng Xiàn) is a county under the administration of Longnan City, in southeastern Gansu Province of China. It has a land area of 1,780 square kilometers and a population of 250,000 in 2004. The postal code is 742500, and the county seat is located in Chengguan Town.
Located between mountains, it has a temperate climate, favourable for agriculture. The mountains have lead and zinc ore deposits.[1]
Chengxian is noted for its walnut production. Chengxian walnuts were designated a protected origin product in China in 2014.[2]
In January 2021, the Qingni River in Chengxian was found to be polluted with thallium from zinc production wastewater.[3]
Administrative divisions
Cheng County is divided to 14 towns and 3 townships.[4]
Towns
Chengguan (城关镇)
Huangzhu (黄渚镇)
Hongchuan (红川镇)
Xiaochuan (小川镇)
Zhifang (纸坊镇)
Paosha (抛沙镇)
- Towns are upgraded from Township.
Diancun (店村镇)
Wangmo (王磨镇)
Chenyuan (陈院镇)
Shaba (沙坝镇)
Huangchen (黄陈镇)
Jifeng (鸡峰镇)
Suyuan (苏元镇)
Suochi (索池镇)
Townships
Songping Township(宋坪乡)
Erlang Township(二郎乡)
Luohe Township(镡河乡)
-Former Townships are merged to other.
Zhiqi Township(支旗乡)
Nankang Township(南康乡)
Shuiquan Township(水泉乡)
Huaya Township(化育乡)
Tanhe Township(坦河乡)
Tanba Township(坦坝乡)
Daping Township(大坪乡)
Climate
Climate data for Chengxian, elevation 970 m (3,180 ft), (1991–2020 normals, extremes 1981–2010)