Core Insights - The seminar on promoting the integrated development of the Yangtze River Delta urban agglomeration highlighted the need for a systematic approach to achieve modernization and integration, acknowledging existing challenges and opportunities [1][3][5] Group 1: Development Strategy - The Yangtze River Delta has been exploring regional integration for seven years, with the newly issued "Action Plan" aiming to enhance urban agglomeration development by 2035 [3][9] - The focus is on breaking down administrative barriers to facilitate the flow of resources, reduce transaction costs, and enhance market efficiency [5][7] Group 2: Challenges and Solutions - Key challenges include improving the integration mechanism, enhancing planning coordination, increasing the capacity of central cities, and optimizing spatial layout [5][7] - The need for a common action plan for urban agglomeration construction is emphasized to unlock structural potential and improve spatial organization [13] Group 3: Economic Performance - The Yangtze River Delta region has shown strong economic growth, with an average GDP growth rate of 5.58% from 2018 to 2024, contributing approximately 26% of China's economic increment during this period [9] - The number of "trillion-yuan cities" in the region has increased from 6 to 9, indicating significant economic development [9] Group 4: Collaborative Efforts - The seminar included participation from various experts and officials from major urban agglomerations, focusing on sharing experiences and strategies for urban integration [12][10] - The collaborative approach aims to implement the "Action Plan" effectively and address the challenges faced by the Yangtze River Delta urban agglomeration [12][13]