Xuzhou Huarun Power Co., Ltd. Tongshan Huarun Power Co., Ltd. Anhydrous Sodium Carbonate Ethylenediaminetetraacetic Acid Disodium Procurement Change Announcement Change Announcement No.: DLBGGG202505200001 The company issued the Tongshan Huarun Power Co., Ltd. Anhydrous Sodium Carbonate Ethylenediaminetetraacetic Acid Disodium Procurement Announcement (Project No.: 6XZHR0202250500206) on May 15, 2025, and now makes the following changes: the deadline for quotation before and after the type change is 13:00:00 on May 19, 2025, 13:00:00 on May 24, 2025, and the deadline for clarification before the bid is 13:00:00 on May 17, 2025, 13:00:00 on May 22, 2025. Except for the above changes, the original announcement The content is still valid. Xuzhou Huarun Power Co., Ltd. May 20, 2025