| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 4929.09 | USD | 20251013 |
| Shandong Zhiheng | China national standards | MT | 4926.25 | USD | 20251011 |
| Shandong Zhiheng | China national standards | MT | 4926.25 | USD | 20251010 |
| Shandong Zhiheng | China national standards | MT | 4922.51 | USD | 20251009 |
| Shandong Zhiheng | China national standards | MT | 4925.76 | USD | 20250930 |
| Shandong Zhiheng | China national standards | MT | 4919.05 | USD | 20250928 |