China Resources New Energy Investment Co., Ltd. Henan Branch has made the following changes to the inquiry and change announcement for the fiber optic channel renovation project from Jingfeng Station to Qianfeng Station in the Yellow Maintenance Base within 2025. The announcement number is DLBGGG202504240011. The inquiry announcement for the fiber optic channel renovation project from Jingfeng Station to Qianfeng Station in the Yellow Maintenance Base within 2025 was released by our company on April 17, 2025 (project number: 6SOVM020250400065). The deadline for the quotation before and after the type change is 10:00 am on April 24, 2025, and 10:00 am on April 30, 2025. The deadline for clarification before the bid is 14:16:45 on April 23, 2025, and 14:16:45 on April 29, 2025. Except for the aforementioned changes, the remaining content of the original announcement remains valid. China Resources New Energy Investment Co., Ltd. Henan Branch, April 24, 2025