Tender announcement for the procurement project of hydraulic support columns, jack cylinder inner surfaces, and guide sleeve repair with copper-tin alloy plating services for the Equipment Repair Division of Luxi Mining Menglu Company

[Tender Notice] Tender announcement for the procurement project of hydraulic support columns, jack cylinder inner surfaces, and guide sleeve repair with copper-tin alloy plating services for the Equipment Repair Division of Luxi Mining Menglu Company Purchasing Unit: Shandong Menglu Mining Engineering Co., Ltd. Agency: 山东能源招标有限公司 Region: Yanzhou District, Jining, Shandong Project No.: SNZB-LXKY-D0600014996 Budget: CNY 1.6M Published: 2026-08-11 Document Deadline: 2026-08-19 Bid Deadline: 2026-09-01