Cheng County
Cheng County
成县 | |
|---|---|
Chifeng Mountain National Forest Park | |
| Coordinates: 33°55′N 105°40′E / 33.917°N 105.667°E | |
| Country | China |
| Province | Gansu |
| Prefecture-level city | Longnan |
| County seat | Chengguan (城关镇) |
| Area | |
• Total | 1,780 km2 (690 sq mi) |
| Population (2019) | |
• Total | 246,900 |
| • Density | 140/km2 (360/sq mi) |
| Time zone | UTC+8 (China Standard) |
| Postal code | 742500 |
| Website | www |
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.
Chengxian is noted for its walnut production. Chengxian walnuts were designated a protected origin product in China in 2014.
In January 2021, the Qingni River in Chengxian was found to be polluted with thallium from zinc production wastewater.