Longcheng is a town of Qin'an County, Tianshui, Gansu, China.
It is located about 45 km (28 mi) from the seat of Qin'an County.
In 2012 it had a population of 32,000, of which around 10,000 lived in the town's main village.
[1] In 228, the Battle of Jieting was likely fought at the present location of Longcheng.
[3] The town has several historical sites:[4] This Chinese location article is a stub.