Huarun Zhizhu Technology (Guigang) Co., Ltd. Huarun Building Materials Technology Structural Building Materials Business Unit, Liuzhou Two Stations in West Jiangxi Region, Public Inquiry and Procurement Change Announcement for Electric Motor and Water Pump Outsourcing Maintenance Projects from 2025 to 2027 Change Announcement No.: SNBGGG202504240003 Our company has made the following changes to the Public Inquiry and Procurement Announcement for Electric Motor and Water Pump Outsourcing Maintenance Projects of Huarun Building Materials Technology Structural Building Materials Business Unit, Liuzhou Two Stations in West Jiangxi Region, from 2025 to 2027 (Project No.: S22520250407000076), which was released on April 9, 2025. The deadline for quotation after the time change before the type change is 10:00:00 on April 22, 2025, and 10:00:00 on April 28, 2025. The deadline for clarification is 23:00:00 on April 12, 2025, and 23:00:00 on April 26, 2025. Except for the above changes, the remaining content of the original announcement is still valid. China Resources Zhizhu Technology (Guigang) Co., Ltd. April 24, 2025