拥有9个GDP万亿城市，长三角城市群打样未来城市

Group 1: Urban Agglomeration Development - The core idea emphasizes that the competition in the global economy is increasingly centered around urban agglomerations, with the Yangtze River Delta (YRD) being positioned as a world-class urban cluster [3][9] - The YRD urban agglomeration includes 27 cities across Shanghai, Jiangsu, Zhejiang, and Anhui provinces, showcasing its extensive connectivity and integration [7][12] - The recent policies aim to enhance the YRD's role in national strategy and global competition, focusing on high-quality development and urban integration [8][9] Group 2: Transportation and Connectivity - The completion of the Jiaxing Airport and the expansion of high-speed rail have significantly improved transportation efficiency within the YRD, facilitating easier access between cities [2][15] - The YRD's railway network is projected to exceed 15,000 kilometers by the end of 2024, with over 7,700 kilometers dedicated to high-speed rail, enhancing daily passenger capacity [15] - The "Yangtze River Delta Super Ring High-Speed Railway" has commenced operations, further connecting key cities in the region [15] Group 3: Industrial Collaboration and Economic Integration - The YRD is characterized by a high degree of industrial collaboration, with cities forming interdependent industrial chains, particularly in sectors like new energy vehicles and aerospace [16][21] - The region is home to nine cities with GDPs exceeding 1 trillion, indicating its economic strength and potential for further growth [12] - The establishment of frameworks for cooperation in various industries, such as the large aircraft industry, highlights the YRD's ambition to create globally competitive industrial clusters [21][22] Group 4: Global Competitiveness and Future Prospects - The YRD is recognized as one of the six world-class urban agglomerations, with ongoing efforts to enhance its economic development and infrastructure [19][20] - The region's geographical advantages, including its access to major ports like Shanghai and Ningbo, facilitate international trade and economic interactions [20] - The focus on emerging industries, such as low-altitude economy and large aircraft manufacturing, positions the YRD for significant future growth and competitiveness on the global stage [21][22]