Announcement of Bid Winning Candidates for High Pressure Large Diameter Carbon Steel Pipe of China Tianchen Engineering Co., Ltd. 1. Project Information Bidding Project Number: TCC-T23023-MC-016-B-2 Tender Project Name: High Pressure Large Diameter Carbon Steel Pipe 2. Bid Winning Candidate Bid Section (Package) Number: TCC-T23023-MC-016-B-2/01 Bid Section (Package) Name: High Pressure Large Diameter Carbon Steel Pipe - Package 01 First Place: Tiangong Group (Qingdao) Co., Ltd. Second Place: Tianjin Tianyang Pipeline Co., Ltd. Third Place: Tianjin Hongrun New Material Technology Co., Ltd. Publicity Period: April 11, 2025~April 13, 2025 Bidders or other interested parties (including bid winning candidates) who have objections to the evaluation results should submit a written form (signed by the legal representative and stamped with the unit seal) through the China Chemical Electronic Tendering and Bidding Trading Platform during the publicity period. The document shall be submitted to the tenderer for objection, and the tenderer shall respond within 3 days from the date of receipt of the objection. Objections that are overdue or not submitted as required will not be accepted and will not be responded to. (Menu: Procurement Execution→ Objection Complaint→ Objection Management) 3. Objection Acceptance Department Tenderer: China Tianchen Engineering Co., Ltd. Address: No. 1 Jingjin Road, Beichen District, Tianjin Postal Code: 300400 Contact: Tianchen Company Procurement Department Phone: 02223406381 Email: er-lzj@cntcc.cn China Tianchen Engineering Co., Ltd. April 11, 2025