Sinopec Hainan Refining & Chemical Co., Ltd. Hainan Refining 2026 Overhaul Alumina Framework Agreement Open Tender Activated Alumina/3.0-5.0mm HG/T3927 Air Separation and Air Compression Unit Tender Announcement [Change Announcement]

[Tender Notice] Sinopec Hainan Refining & Chemical Co., Ltd. Hainan Refining 2026 Overhaul Alumina Framework Agreement Open Tender Activated Alumina/3.0-5.0mm HG/T3927 Air Separation and Air Compression Unit Tender Announcement [Change Announcement] Purchasing Unit: Sinopec Hainan Refining & Chemical Co., Ltd. Region: Hainan, Danzhou Industry: Energy & Chemicals Project No.: NZZ260710-1009-127584 Published: 2026-07-09 Document Deadline: 2026-07-07 Bid Deadline: 2026-07-10 Bid Opening: 2026-07-10