Changling Refining & Chemical Yueyang Engineering Design Co., Ltd. Procurement Announcement for Galvanized Welded Steel Pipes for the North Flare Renovation of the Yueyang Area 1,000,000 t/y Ethylene Refining and Chemical Integration Refining Supporting Project

[Tender Notice] Changling Refining & Chemical Yueyang Engineering Design Co., Ltd. Procurement Announcement for Galvanized Welded Steel Pipes for the North Flare Renovation of the Yueyang Area 1,000,000 t/y Ethylene Refining and Chemical Integration Refining Supporting Project Purchasing Unit: Changling Refining & Chemical Yueyang Engineering Design Co., Ltd. Region: Yunxi District, Yueyang, Hunan Project No.: XB20260819-41049500-00358 Published: 2026-08-19 Bid Deadline: 2026-08-24