中央重磅文件点题四大新兴支柱产业，这些城市已领跑

Core Insights - The National Development and Reform Commission's proposal for the 15th Five-Year Plan emphasizes the development of strategic emerging industries such as new energy, new materials, aerospace, and low-altitude economy, which are expected to create several trillion-yuan markets [1][2] - Major cities like Beijing, Shanghai, Shenzhen, and Guangzhou are leading in multiple emerging industries, showcasing their comprehensive strengths as first-tier cities [1] - Regional clusters are evident in the development of these industries, with the Yangtze River Delta excelling in new energy and new materials, the Pearl River Delta in low-altitude economy and new materials, and the Beijing-Tianjin-Hebei region in aerospace [1] New Energy - The top five cities in the new energy industry competitiveness ranking are Beijing, Shanghai, Guangzhou, Shenzhen, and Xi'an, with Beijing leading in overall competitiveness [3][4] - Beijing excels in high-efficiency photovoltaic technology and smart energy systems, supported by major state-owned enterprises [3] - Shenzhen leads in the production of new energy vehicles, with an output of 2.935 million units in 2024, while Xi'an has a strong technical foundation in the new energy sector [4] New Materials - Suzhou ranks first in the new materials industry, supported by a strong focus on advanced materials and significant innovation resources [5][6] - The Yangtze River Delta and Pearl River Delta are the leading regions in new materials, with Suzhou's new materials industry becoming a trillion-yuan cluster [6][7] Aerospace - Beijing is the top city in the aerospace industry, benefiting from a concentration of enterprises and financial resources [8][9] - Other cities like Shanghai, Xi'an, Chengdu, and Guangzhou are also showing strong competitiveness in aerospace, with regional clusters forming [8] Low-altitude Economy - The low-altitude economy is a competitive area, with Shenzhen, Beijing, and Chengdu leading in development [10][11] - Shenzhen has over 1,900 companies in the low-altitude economy sector, with an expected annual output value exceeding 90 billion yuan in 2024 [11][12] - Shanghai focuses on high-end manufacturing and modern services in the low-altitude economy, aiming for a core industry scale of over 50 billion yuan by 2027 [12]