Inquiry Document for Procurement of Aluminum Alloy Stacked Beams and Flap Gates for Haikou Jiangdong New Area Seawater Treatment and Improvement Project - China Railway No. 4 Engineering Group Co., Ltd. Construction Engineering Branch

[Tender Notice] Inquiry Document for Procurement of Aluminum Alloy Stacked Beams and Flap Gates for Haikou Jiangdong New Area Seawater Treatment and Improvement Project - China Railway No. 4 Engineering Group Co., Ltd. Construction Engineering Branch Purchasing Unit: China Railway No.4 Engineering Group Construction Engineering Co., Ltd. Region: Meilan District, Haikou, Hainan Project No.: 0906158132881 Published: 2026-08-03 Bid Deadline: 2026-08-05