Group 1 - The toll collection period for Chengdu Shuangliu Airport Expressway, invested by Chengdu High-Speed Holdings subsidiary, will expire on December 26, 2025, after which tolls will cease as per regulations [1] - The expressway is expected to generate a toll revenue of 106 million yuan in 2024, and the expiration of the toll collection period is not anticipated to have a significant impact on the company's performance [2]