Core Viewpoint - The "National Innovation Urban Rail Development Plan" aims for a complete breakthrough in key technologies and products in the urban rail sector by 2030, achieving over 95% self-sufficiency in core technologies, and reaching 100% by 2035 [1][3]. Group 1: Development Stages - The development of urban rail technology in China has gone through three stages: initial self-reliance, a phase of domestic equipment predominance, and a current focus on self-innovation [1][2]. - The first urban rail line, Beijing Metro Line 1, began construction in 1965, marking the start of urban rail development in China [1]. Group 2: Progress in Localization - Since 1999, the localization rate for urban rail vehicles and equipment has increased, with a target of 70% initially, reaching an average of over 95% since 2020 [2]. - The cost of imported equipment has significantly decreased, with the price per kilometer for CBTC systems dropping from 13 million yuan to between 8 million and 9 million yuan, a reduction of over 30% [2]. Group 3: Challenges and Opportunities - The "National Innovation Urban Rail Development Plan" identifies six major challenges, including weak links in the supply chain, insufficient investment in new technologies, and a lack of international competitiveness [3]. - The urban rail sector must enhance its innovation capabilities and strengthen its market leadership to compete globally [3]. Group 4: Open Cooperation - The urban rail industry emphasizes the importance of open cooperation alongside self-innovation, suggesting that high-level innovation and openness can mutually reinforce each other [4][5]. - The industry aims to learn from international experiences and technologies while maintaining self-reliance [5].