Changzhou Benniu International Airport — Changzhou, China

CZX is the code for Changzhou Benniu International Airport, serving Changzhou, a major manufacturing city in Jiangsu province within China's Yangtze River Delta, between Shanghai and Nanjing. Despite sitting in the shadow of those larger metropolitan hubs, Changzhou has built a substantial industrial economy in machinery, textiles, and technology, and CZX has grown accordingly, adding international designation and expanding routes to support both business travel and a rising number of leisure passengers. The airport offers domestic connections across China alongside a smaller set of international and regional links. CZX's growth mirrors Changzhou's broader development as one of the many mid-sized industrial powerhouses driving the Yangtze Delta economy.