四川成渝(601107.SH)：成渝公司并未参加该项目

Group 1 - The core point of the article is that Sichuan Chengyu (601107.SH) clarified its non-participation in the Chengyu Expressway expansion project, which is being undertaken by other entities [1] - The project is being implemented by Sichuan Highway Construction Development Group Co., Ltd. and other winning bidders [1] - Sichuan Chengyu's statement was made through an investor interaction platform, emphasizing its lack of involvement in the project [1]