五年同城化进阶，从“四市协同”到万亿产业共同体的跨越

Core Viewpoint - The Chengdu metropolitan area has made significant progress in urban integration over the past five years, transitioning from basic infrastructure connectivity to advanced industrial collaboration and regional synergy, aiming for a more coordinated development model [1][2][4]. Economic Growth - The economic output of the Chengdu metropolitan area is projected to grow from 2.24 trillion yuan in 2020 to 2.98 trillion yuan by 2024, with an average annual growth rate exceeding national and provincial levels [2]. - The GDP contribution of the four cities in the metropolitan area has increased from 46% in 2020 to 48.5% in the first quarter of this year, despite occupying only 6.8% of the provincial land [2]. Inter-City Collaboration - In 2024, the number of enterprises collaborating across cities in the Chengdu metropolitan area reached 2,860, a year-on-year increase of 21.8%, significantly outpacing the GDP growth rate of the metropolitan area [3]. - Examples of successful inter-city collaborations include the joint development of hydrogen fuel cell buses and the establishment of a complete industrial chain for hydrogen energy [3][4]. Innovation and Industry Development - The Chengdu metropolitan area has seen the emergence of a trillion-yuan industrial cluster, with innovative collaboration models such as "Chengdu R&D + Deyang Manufacturing" enhancing product iteration speed by 30% [8]. - The area is also home to significant technological advancements, with plans for the largest laser display optical screen manufacturing base and optical film production base in the world [8]. Mechanism and Institutional Innovation - The success of the Chengdu metropolitan area is attributed to continuous institutional innovations that facilitate efficient resource allocation and collaborative governance [14][17]. - The establishment of a five-level working mechanism and a comprehensive planning system has enabled effective coordination among the four cities, enhancing the overall business environment [17]. Future Outlook - By 2025, the Chengdu metropolitan area aims to solidify its position as a resilient and competitive industrial community, leveraging ongoing innovations and collaborative efforts to address future uncertainties [18].