【 Change Announcement 】 Changzhou Institute Phthalic Anhydride Procurement Exclusive Agreement Inquiry Procurement Change Announcement Change Content Original Bid Closing/Opening Time May 20, 2025 11:00 am Change Post Bid Closing/Opening Time May 22, 2025 11:00 am Basic Information Project Name GKXJ-2025-HG-1042 Engineering Project Name GKXJ-2025-HG-1042 Project Overview Project Location Tianjin City Source of Funds Enterprise Self raised Funds Implementation Status Implemented Whether Joint Venture Bidding is Permitted No Objections or Complaints, Configuration Form Hidden No Need to Display Release Media China National Offshore Oil Corporation Procurement Business Management and Trading System, China National Offshore Oil Corporation Supply Chain Digital Platform Section Information Section Content Cycle Started 1. GKXJ-2025-HG-1042 Section (Package) Number GKXJ-2025-HG-1042/01 The main technical specifications are issued on May 14, 2025, and the pre-approval announcement does not need to display the delivery/service/completion period of the main technical specifications. Delivery should be made within 72 hours after the order is placed. Delivery quantity, bidding scope, investment ratio, production capacity, bidding document collection time: May 14, 2025 to May 19, 2025. Please log in to the Supply Chain Digital Platform of China National Offshore Oil Corporation for the bidding document collection method（ 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 11:00 am on May 22, 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 11:00 am on May 22, 2025. The bid opening location is the China National Offshore Oil Corporation Supply Chain Digital Platform. The content cycle ends. Contact information: Bidder: CNOOC Energy Development Co., Ltd. Address: No. 6 Xiaojie, Dongzhimenwai, Dongcheng District, Beijing Contact person: Yu Wenchao Email: yuwch2@cnooc.com.cn Postal code: 100027 Contact phone number: 02225802271 Objection handler, complaint handler, display agent information according to configuration, do not need to display relevant attachments for self bidding. Download GKXJ-2025-HG-1042- Reviewed Minimum Bid Price Method. pdf (click to view)&nbsp Supplier Notice (click to view)&nbsp Determine to hide original announcement Start original announcement (click to view) [Change announcement] Changzhou Institute Phthalic Anhydride Procurement Exclusive Agreement Inquiry Procurement Change Announcement Basic information Project name GKXJ-2025-HG-1042 Engineering Project