Huaneng Hainan Company Haikou Power Plant zinc alloy plates, wear-resistant straight pipes, corrosion-resistant pipe fittings, etc. 3 projects materials centralized procurement (WJ) change inquiry and comparison procurement announcement

[Tender Notice] Huaneng Hainan Company Haikou Power Plant zinc alloy plates, wear-resistant straight pipes, corrosion-resistant pipe fittings, etc. 3 projects materials centralized procurement (WJ) change inquiry and comparison procurement announcement Purchasing Unit: China Huaneng Group Co., Ltd. Beijing Ruicai Shudong Technology Branch Region: Beijing, Changping District Project No.: HNFZ2026-08-2-00443 Published: 2026-08-18 Bid Deadline: 2026-08-21