| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun | China national standards | MT | 606.8 | USD | 20251030 |
| Shandong Zhenkun | China national standards | MT | 606.86 | USD | 20251028 |
| Shandong Zhenkun | China national standards | MT | 606.65 | USD | 20251027 |
| Shandong Zhenkun | China national standards | MT | 606.33 | USD | 20251023 |
| Shandong Zhenkun | China national standards | MT | 606.23 | USD | 20251021 |
| Shandong Zhenkun | China national standards | MT | 606.23 | USD | 20251021 |
| Shandong Zhenkun | China national standards | MT | 605.86 | USD | 20251020 |
| Shandong Zhenkun | China national standards | MT | 606.07 | USD | 20251017 |
| Shandong Zhenkun | China national standards | MT | 605.91 | USD | 20251016 |
| Shandong Zhenkun | China national standards | MT | 605.68 | USD | 20251015 |