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- China Square tube 40*60*5.75 Export sales
- China Square tube 400×400×8.0 Export sales
- China Square tube 180×180×6.0 Export sales
- China Square tube 600×600×10.0 Export sales
- China Square tube 40×40×1.0 Export salesChina Square tube 800×800×10.0 Export sales
- China Square tube 40×40×1.0 Export salesChina Square tube 800×800×10.0 Export sales
- China Square tube 40×40×1.0 Export sales
- China Square tube 150×150×6.0 Export sales
- China Square tube 200×200×6.0 Export sales
- Tianjin made straight seam of large diameter pipe, large diameter thick wall pipe