Procurement Announcement for Double-sided Submerged Arc Spiral Steel Pipe, Seamless Steel Pipe, Rigid Polyurethane Foam Pre-insulated Pipe, Water Supply Pipe, PPR Pipe, and Galvanized Steel Pipe for the Two Supplies, Two Treatments, and One Industry Renovation Project of Ning'an Farm of Beidahuang Group

[Tender Notice] Procurement Announcement for Double-sided Submerged Arc Spiral Steel Pipe, Seamless Steel Pipe, Rigid Polyurethane Foam Pre-insulated Pipe, Water Supply Pipe, PPR Pipe, and Galvanized Steel Pipe for the Two Supplies, Two Treatments, and One Industry Renovation Project of Ning'an Farm of Beidahuang Group Purchasing Unit: Beidahuang Group Region: Heilongjiang, Mudanjiang, Ning'an Project No.: JSXJCL-2026-231 Published: 2026-07-21