[Change Announcement] Huahe - April 2025 Boiler Ash Transport System Feed Valve Renovation Project Inquiry and Procurement Change Announcement Change Content Original deadline/bid opening time 09:00 May 20, 2025 Change deadline/bid opening time 09:00 May 26, 2025 Original clarification deadline 23:59 May 17, 2025 Change deadline 23:59 May 25, 2025 Original bidding document collection time May 14, 2025 to May 19, 2025 Change bidding document collection time May 14, 2025 to May 25, 2025 Original delivery period/service period/completion period after change Delivery period/service period/completion period August 30, 2025 Basic Information Project Name: Huahe - April 2025 Boiler Ash Transport System Feed Valve Renovation Project Project Project Name: Huahe - April 2025 Boiler Ash Transport System Feed Valve Renovation Project Project Overview Project Location: Heilongjiang Province/Hegang City Funding Source: Enterprise Self raised The implementation of funds has been confirmed. Is it allowed for consortium bidding? No objections or complaints. After the configuration form is hidden, there is no need to display the publishing media. China National Offshore Oil Corporation's procurement business management and trading system, China National Offshore Oil Corporation's supply chain digital platform, and China Public Service Platform for Tendering and Bidding. Section information section content cycle begins. Section (package) number HXCF-250351/01 of the boiler ash conveying system feed valve renovation project in Huahe, April 2025 Bid issuance date: May 14, 2025 Main technical specifications, pre review announcement does not need to display main technical specifications Delivery period/service period/completion period: August 30, 2025 Delivery quantity Bidding scope Investment ratio Production capacity Bidding document collection time: May 14, 2025 to May 25, 2025 Bidding document collection method: Please log in to China National Offshore Oil Corporation Supply Chain Digital Platform（ https://bid.cnooc.com.cn/home/#/navigation ）Purchase from the bidding announcement page. The first login requires registration (free of charge), and only after successful registration can the bidding documents be purchased. The entire purchase process must be conducted online, and offline remittance will not be accepted. After successful payment of the bidding fee, bidders can download the bidding documents themselves. After sales service is non refundable. If the bidding documents have not been purchased in the system, one cannot participate in bidding. The bidding document price is 0 yuan. The deadline for submission of bidding documents is 09:00 on May 26, 2025. All bidding documents must be submitted online before the deadline for submission of bidding documents. All bidding documents must be submitted online before the deadline for submission of bidding documents. The bid opening time is 09:00 on May 26, 2025. The bid opening location is China National Offshore Oil Corporation's supply chain digital platform. The content cycle ends. Contact information: Bidder: CNOOC Chemical Co., Ltd. Address: Contact person: Anlixin Email: anlx2@cnooc.com.cn Postal code: Contact phone number: Objection handler, Complaint handler, according to the allocation