成都都市圈：你好，长三角！

Group 1 - Chengdu Metropolitan Area is the third nationally approved metropolitan area in China and the first in the central and western regions, covering Chengdu, Deyang, Meishan, and Ziyang with a total area of 33,100 square kilometers, making it the most densely populated and economically developed area in Sichuan Province [3] - The high-quality development index of Chengdu Metropolitan Area ranks first among 16 major metropolitan areas in China, indicating a significant level of urban integration [3] - The economic total of Chengdu Metropolitan Area reached 2.98 trillion yuan, accounting for 46.0% of the province's total, with a year-on-year growth of 5.9% [7] Group 2 - Since its initiation in 2020, Chengdu Metropolitan Area has established a "1+1+N" planning system, focusing on spatial layout and industrial collaboration, leading to the formation of three major industrial belts [5] - The area has seen the establishment of 91 national-level technology innovation platforms, an increase of 48 since 2020, and aims to reach 15,413 high-tech enterprises by 2024, up by 8,895 from 2020 [10] - Chengdu has developed 14 industrial parks with a scale of over 100 billion yuan and 26 parks over 50 billion yuan, collaborating with Deyang, Meishan, and Ziyang to build nine key industrial chains [14] Group 3 - Deyang is positioned as a key node in the Chengdu-Chongqing economic circle, recognized as a manufacturing strong city with significant contributions to power equipment and a robust vocational education system [19] - Meishan is actively promoting itself as a historical and cultural city, focusing on strategic emerging industries such as lithium batteries and photovoltaic materials, with industrial scale exceeding 100 billion yuan [24] - Ziyang has recently opened the first cross-city rail transit line in Sichuan, which has transported over 10 million passengers in its first year, fostering the development of aerospace, intelligent manufacturing, and health industries [23] Group 4 - The collaboration between Chengdu Metropolitan Area and the Yangtze River Delta has yielded fruitful results, enhancing industrial linkage and resource flow [27] - The "China Dental Valley" industrial chain in Ziyang has become a leading hub for dental medical devices, showcasing its global competitiveness [28] - The upcoming investment cooperation promotion event in Shanghai aims to deepen policy communication and promote shared development opportunities among the four cities [29][31]