Jiangjin district is located at a key post on the Yangtze River. Jiangjin, where marshal Nie Rongzhen (1899-1992) was born and where Chen Duxiu (1879-1942) spent his twilight years, is renowned for its selenium-rich food, kung fu, Chinese couplets, prickly ash, oranges and tangerines. It is also honored as the China Longevity Town, National Demonstration Park for Emerging Industries, and National Demonstration Zone for Modern Agriculture, as well as National Double-Support Model City.