Announcement of Candidates for Ordinary Butterfly Valve Transaction of China Tianchen Engineering Co., Ltd. 1. Project Information Bidding Project Number: TCC-T24083-PD-001-B Tender Project Name: Ordinary Butterfly Valve 2. Bid Candidate Bid Section (Package) Number: TCC-T24083-PD-001-B/01 Bid Section (Package) Name: Ordinary Butterfly Valve - Package 01 First Place: Shanghai Keke Valve Group Co., Ltd. Second Place: Beijing Valve General Factory Co., Ltd. Third Place: Shanghai Meike Valve Co., Ltd. Publicity Period: April 14, 2025~April 16, 2025 Bidders or other interested parties (including successful candidates) who have objections to the evaluation results should raise objections to the purchaser through the China Chemical Electronic Tendering and Bidding Trading Platform during the publicity period, accompanied by a written document (signed by the legal representative and stamped with the unit seal). The purchaser shall respond within 3 days from the date of receiving 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 Purchasing Person: China Tianchen Engineering Co., Ltd. Address: No.1 Jingjin Road, Beichen District, Tianjin City Postal Code: 300400 Contact Person: Tianchen Company Procurement Department Phone: 02223406381 Email: er-lzj@cntcc.cn China Tianchen Engineering Co., Ltd. April 14, 2025