五年同城化进阶，从“四市协同”到万亿产业共同体的跨越

Core Insights - The article highlights the progress and achievements of the Chengdu metropolitan area in promoting urban integration among Chengdu, Deyang, Meishan, and Ziyang over the past five years, transitioning from basic infrastructure connectivity to advanced industrial collaboration and regional synergy [1][4][15] Economic Growth - The economic output of the Chengdu metropolitan area is projected to increase from 2.24 trillion yuan in 2020 to 2.98 trillion yuan in 2024, with an average annual growth rate surpassing national and provincial levels [1] - The GDP contribution of the four cities to the province rose from 46% in 2020 to 48.5% in the first quarter of this year, with a target to exceed 3.3 trillion yuan by 2025 [1] Inter-City Collaboration - In 2024, the number of enterprises engaged in cross-city cooperation in the Chengdu metropolitan area reached 2,860, marking a 21.8% increase from 2023, significantly outpacing GDP growth in the region [2] - Numerous examples of successful inter-city collaborations include the joint development of hydrogen fuel cell buses and the establishment of a complete industrial chain for low-speed unmanned delivery vehicles [3][6] Innovation and Industry Development - The metropolitan area has seen the emergence of innovative collaboration models such as "R&D + manufacturing" and "headquarters + base," enhancing product iteration speed by 30% [6][7] - The Chengdu metropolitan area is home to over 13,000 high-tech enterprises as of 2024, nearly double the number in 2020, reflecting the impact of continuous innovation and collaboration [12] Infrastructure and Policy Support - The establishment of a five-level working mechanism and a comprehensive planning system has facilitated effective resource allocation and governance across the metropolitan area [12][13] - The "Tianfu Science and Technology Corridor" has become a hub for innovation, with significant investments in technology and infrastructure to support industrial growth [7][8] Future Outlook - The Chengdu metropolitan area is positioned to evolve from a phase of growth to one of enhancement by 2025, with ongoing innovations and collaborations expected to address future uncertainties [15]