Sinopec (Henan) Refining & Chemical Co., Ltd. 2026-2027 Centralized Tendering of Three Agents for Refining and Chemical (Public, Ordinary High-Alumina Open-Cell Proppant) Proppant\All Types_Alumina Content 71-90%_Multi-Dimensional Open-Cell_HG/T3683.3 Tender Announcement

[Tender Notice] Sinopec (Henan) Refining & Chemical Co., Ltd. 2026-2027 Centralized Tendering of Three Agents for Refining and Chemical (Public, Ordinary High-Alumina Open-Cell Proppant) Proppant\All Types_Alumina Content 71-90%_Multi-Dimensional Open-Cell_HG/T3683.3 Tender Announcement Purchasing Unit: Sinopec (Henan) Refining and 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.: NWZ260909-1001-134621 Published: 2026-08-26 Document Deadline: 2026-09-02 Bid Deadline: 2026-09-09 Bid Opening: 2026-09-09