成都都市圈何以高质量发展？

Core Insights - Chengdu metropolitan area ranks first in urban integration among 16 major metropolitan areas in China, showcasing significant progress in infrastructure, industry collaboration, and public service sharing [5][10][12] Infrastructure Connectivity - Chengdu metropolitan area has invested over 466.4 billion yuan in transportation over the past five years, achieving a "one-hour commuting circle" [6] - The total length of the metro network increased from 1,786 kilometers to 2,401 kilometers, a growth of 34.43%, with a density of 7.25 kilometers per 100 square kilometers [7] - The highway network expanded by 617 kilometers, reaching a total of 2,653 kilometers, with a road network density of 7.72 kilometers per 100 square kilometers [8] - Daily cross-city passenger flow increased from 530,200 to 681,700, a rise of 28.57%, while freight turnover grew from 59 billion ton-kilometers to 77.4 billion ton-kilometers, an increase of 31.19% [9] Industry Collaboration - Nine key industrial chains within the Chengdu metropolitan area have surpassed the trillion yuan mark, supporting regional economic growth [10] - The area is recognized for its differentiated industrial layout, with a focus on high-end energy equipment, lithium batteries, and a complete low-altitude economy industrial chain [10][11] - Investment interest is rising, with plans for approximately 10 billion yuan in projects in semiconductor and robotics sectors [11] Public Service Sharing - The metropolitan area has established a public service community, allowing 30.1 million residents to share development benefits, including 138 mutual recognition agreements for medical test results [12] - Over 350 pairs of schools have formed partnerships, and online medical settlements have facilitated 6.78 million cases, with total medical expenses reaching 4.647 billion yuan [12][13] - The integration of education and healthcare services has significantly improved, with a focus on unified markets and shared services [13]