China Resources Chemical Materials Technology Co., Ltd. Sewage Station Automation Upgrade PLC Control Cabinet, Operation Station, Power Cabinet, etc. Outsourcing Inquiry 20250418 Change Announcement No.: HXCLBGG202504240001 Announcement of Outsourcing Inquiry 20250418 for Sewage Station Automation Upgrade PLC Control Cabinet, Operation Station, Power Cabinet, etc. issued by our company on April 18, 2025 (Project No.: HXCLCGXY202504180017）， The following changes have been made: the deadline for quotation before and after the type change is 08:00:00 on April 25, 2025, 08:00:00 on April 30, 2025, and 08:00:00 on April 29, 2025. The deadline for clarification before the bid is 08:00:00 on April 24, 2025, and 08:00:00 on April 29, 2025. Except for the above changes, the rest of the original announcement remains valid. China Resources Chemical Materials Technology Co., Ltd. April 24, 2025