| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 633.62 | USD | 20251014 |
| Shandong Zhiheng | China national standards | MT | 633.74 | USD | 20251013 |
| Shandong Zhiheng | China national standards | MT | 633.37 | USD | 20251011 |
| Shandong Zhiheng | China national standards | MT | 633.37 | USD | 20251010 |
| Shandong Zhiheng | China national standards | MT | 632.89 | USD | 20251009 |
| Shandong Zhiheng | China national standards | MT | 633.31 | USD | 20250930 |
| Shandong Zhiheng | China national standards | MT | 632.45 | USD | 20250928 |
| Shandong Zhiheng | China national standards | MT | 632.45 | USD | 20250926 |
| Shandong Zhiheng | China national standards | MT | 633.29 | USD | 20250925 |
| Shandong Zhiheng | China national standards | MT | 633.29 | USD | 20250924 |