Chongxin ia a county in Gansu, China under administration of Pingliang which has a population of over two million people.
2,068,033 Chongxin (simplified Chinese: ; traditional Chinese: ; pinyin: Chongxin Xian) is a county in the southeast of Gansu province, China, located 70 km (43 mi) northeast of Pingliang, which administers it. 
