Sinopec (Henan) Refining & Chemical Co., Ltd. Centralized Procurement of Refining and Chemical Three Agents for 2026-2027 (Public, Proppant\All Types_Alumina Content ≥97%_Spherical) Proppant\All Types_Alumina Content ≥97%_Spherical Tender Announcement

[Tender Notice] Sinopec (Henan) Refining & Chemical Co., Ltd. Centralized Procurement of Refining and Chemical Three Agents for 2026-2027 (Public, Proppant\All Types_Alumina Content ≥97%_Spherical) Proppant\All Types_Alumina Content ≥97%_Spherical Tender Announcement Purchasing Unit: Sinopec (Henan) Refining & Chemical Co., Ltd. Agency: 中国石化国际事业有限公司北京招标中心 Region: Mengjin District, Luoyang, Henan Project No.: NWZ260909-1001-134529 Published: 2026-08-25 Document Deadline: 2026-09-01 Bid Deadline: 2026-09-09 Bid Opening: 2026-09-09