多业共兴 激活城市新脉动（现场评论）——向转型要活力④

Group 1 - The core viewpoint emphasizes the necessity of diversified development to overcome the challenges of being overly reliant on a single industry, advocating for multi-faceted growth and enhanced coordination between regions and industries [1][2][3] - The city of Tongchuan, once heavily dependent on coal, is undergoing a transformation with a focus on intelligent manufacturing and aluminum processing, showcasing a shift from coal-based industries to more sustainable practices [1][2] - Since 2016, Tongchuan has closed 23 coal mines and dismantled 41 cement kilns, leading to a significant reduction in non-coal mining enterprises from over 300 to 42, while upgrading remaining facilities to low-carbon standards [2] Group 2 - The restructuring of Tongchuan's industrial landscape includes the development of three major industry clusters: energy resources, advanced manufacturing, and emerging industries, with a target for non-coal industries to account for 87% by 2024 [2] - The establishment of the optoelectronic integrated industry park has attracted over 30 upstream and downstream enterprises, indicating a successful transition from a non-existent to a thriving optoelectronic industry cluster [2] - The integration of health and cultural tourism into the local economy has revitalized the city, transforming it from a heavily polluted area to one with approximately 280 days of good air quality annually [3]