Liangdang County
Liangdang County is a county under the administration of Longnan City, in the southeast of Gansu Province of China. It has a land area of, and a population of 50,000 in 2004. The postal code is 742400. The county seat is located in Chengguan Town. It is the poorest county in Gansu.- Towns: Chengguan
- Townships: Yangdian, Zuojia, Xianlong, Yuchi, Xinghua, Zhan'erxiang, Xipo, Zhangjia, Taiyang, Yunping, Taishan, Guangjin and Jindong.
