Sales Project Announcement for Waste Materials of Shaanxi Yanchang Petroleum Materials Co., Ltd. (Approximately 2,000 Tons of Waste Pipes from Wuqi Oil Production Plant of Yanchang Oil Field Co., Ltd.)

[Tender Notice] Sales Project Announcement for Waste Materials of Shaanxi Yanchang Petroleum Materials Co., Ltd. (Approximately 2,000 Tons of Waste Pipes from Wuqi Oil Production Plant of Yanchang Oil Field Co., Ltd.) Purchasing Unit: Shaanxi Yanchang Petroleum Materials Co., Ltd. Region: Lianhu District, Xi'an, Shaanxi Published: 2026-08-10 Bid Opening: 2026-08-20