优化区域经济布局，撬动更大内需空间

Core Insights - The article discusses the Central Committee's proposal for the 15th Five-Year Plan, emphasizing the need for a high-quality regional economic layout and spatial system, focusing on modernizing governance in mega cities and promoting urban agglomeration integration [1][2] Group 1: Regional Economic Development - The proposal aims to cultivate multiple urban agglomerations and economic cores to create a coordinated development pattern that emphasizes high-quality growth and resource optimization [1] - Key urban clusters such as Beijing-Tianjin-Hebei, Yangtze River Delta, and Guangdong-Hong Kong-Macao Greater Bay Area are highlighted for their roles in technological innovation and financial openness [1][2] - The development of central and western regions, such as the Chengdu-Chongqing economic circle, is accelerating, creating new growth poles for talent and industry expansion [1][2] Group 2: Infrastructure and Connectivity - The plan includes enhancing infrastructure connectivity through the construction of cross-regional and cross-basin transportation networks, with an expected addition of 5,500 to 6,000 kilometers of suburban and intercity railways over the next decade [2] - A modern transportation network will support regional development by facilitating efficient movement of people and goods [2] - The strategy promotes a tiered industrial layout, with high-end resources concentrating in first-tier cities while basic manufacturing shifts to peripheral cities and central regions [2] Group 3: Urban Renewal and Investment - Urban renewal initiatives are set to improve living conditions and stimulate demand in sectors like construction, building materials, and community services, potentially unlocking trillions of yuan in investment [3] - The focus on upgrading urban infrastructure will include the renovation of approximately 600,000 kilometers of urban pipelines over the next five years [3] - Investment in new infrastructure, including 5G and AI, is projected to exceed one trillion yuan annually, driving digital and intelligent urban transformation [3] Group 4: Small and Medium City Development - The development of small and medium cities should shift from a homogenized approach to one that emphasizes unique characteristics and high-quality growth [4] - Different types of small cities will receive tailored development opportunities, leveraging their proximity to core cities or resource advantages [4] - Regional coordinated development is essential for modernizing China's economy, requiring optimized productivity layouts and the activation of key growth areas [4]