Announcement of Changes in Maintenance, Maintenance, and Managed Operation Services for Central Air Conditioning Equipment and Facilities at China Resources Wuhan Iron and Steel General Hospital Change Announcement No. JKBGG202504150002 Our company issued the Announcement of Maintenance, Maintenance, and Managed Operation Services for Central Air Conditioning Equipment and Facilities on April 9, 2025 (Project Number: JKCGXY202504090001）， The following changes have been made: the deadline for quotation before and after the type change is 10:00 am on April 15, 2025, and the deadline for clarification before the bid is 14:00 am on April 15, 2025. Except for the above changes, the remaining content of the original announcement is still valid. China Resources Wuhan Iron and Steel General Hospital, April 15, 2025