Announcement of Public Inquiry and Comparison Results of Steel Skeleton Pipeline of middling coal Yulin Coal Deep Processing Base Project of China Tianchen Engineering Co., Ltd. 1. Project Information Procurement Project No.: TCC-T24083-PD-009-B Procurement Project Name: middling coal Yulin Coal Deep Processing Base Project - Steel Skeleton Pipeline Bid Section (Package) No.: TCC-T24083-PD-009-B/01 Bid Section (Package) Name: middling coal Yulin Coal Deep Processing Base Project - Steel Skeleton Pipeline Bid Section Package 012. Transaction Results Transaction Supplier: Hebei Zhongsu Pipeline Technology Co., Ltd. 3. Contact Information Purchaser: China Tianchen Engineering Co., Ltd. Location: Tianchen Building, No. 1, Beijing Tianjin Road, Beichen District, Tianjin Post code: 300400 Contact person: Chen Jie Tel.: 022-23407977 E-mail: chenjie@cntcc.cn China Tianchen Engineering Co., Ltd. April 23, 2025