China Resources Chemical Materials Technology Co., Ltd. General Hardware Procurement Inquiry Change Announcement Change Announcement No.: HXCLBGG202505200001 The General Hardware Procurement Inquiry Announcement (Project No.: HXLCGXY202505160007) issued by our company on May 16, 2025, has been revised as follows: the deadline for quotation before and after the type change is 08:00:00 on May 20, 2025, and 09:16:00 on May 21, 2025. Except for the above changes, the rest of the original announcement is still valid. China Resources Chemical Materials Technology Co., Ltd. May 20, 2025