长江沿江地区是我国重要的经济发展轴线之一。沿江七省二市面积达145万平方公里，人口4．6亿，拥有突出的产业、技术、人文、资源和市场优势等，而且上下游地区之间的经济互补性很强，战略地位十分重要，成为继沿海地区之后最具活力的经济发展先行区。联合协作溯江延伸长江经济 The Yangtze River along the Yangtze River is one of the important axes of economic development in our country. The seven cities and two provinces along the Yangtze River have a total area of ​​1.45 million square kilometers and a population of 460 million with outstanding industrial, technical, cultural, resources and market advantages, and their economic complementarity is very strong and the strategic position is very important , Becoming the most energetic area for economic development following the coastal areas. Joint cooperation to extend the Yangtze River economy