| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 635.09 | USD | 20251028 |
| Shandong Zhiheng | China national standards | MT | 634.87 | USD | 20251027 |
| Shandong Zhiheng | China national standards | MT | 634.45 | USD | 20251024 |
| Shandong Zhiheng | China national standards | MT | 634.54 | USD | 20251023 |
| Shandong Zhiheng | China national standards | MT | 634.21 | USD | 20251022 |
| Shandong Zhiheng | China national standards | MT | 634.43 | USD | 20251021 |
| Shandong Zhiheng | China national standards | MT | 634.04 | USD | 20251020 |
| Shandong Zhiheng | China national standards | MT | 634.26 | USD | 20251017 |
| Shandong Zhiheng | China national standards | MT | 634.09 | USD | 20251016 |
| Shandong Zhiheng | China national standards | MT | 633.85 | USD | 20251015 |