Yancheng has convenient land, sea and air transportation, and basically formed a five-in-one three-dimensional transportation network of expressway, railway, aviation, sea transportation and inland river shipping. Nanyang International Airport, Yancheng Port Dafeng Port Area, Binhai Port Area, Sheyang Port Area and Xiangshui Port Area have become national first-class open ports. Yancheng City has become a prefecture-level city with both airport and seaport, and it is the intersection of national coastal development and Yangtze River Delta integration.