| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun | China national standards | MT | 1453.16 | USD | 20251031 |
| Shandong Zhenkun | China national standards | MT | 1453.49 | USD | 20251030 |
| Shandong Zhenkun | China national standards | MT | 1453.65 | USD | 20251028 |
| Shandong Zhenkun | China national standards | MT | 1452.38 | USD | 20251023 |
| Shandong Zhenkun | China national standards | MT | 1452.14 | USD | 20251021 |
| Shandong Zhenkun | China national standards | MT | 1451.26 | USD | 20251020 |
| Shandong Zhenkun | China national standards | MT | 1451.75 | USD | 20251017 |
| Shandong Zhenkun | China national standards | MT | 1451.36 | USD | 20251016 |
| Shandong Zhenkun | China national standards | MT | 1450.81 | USD | 20251015 |
| Shandong Zhenkun | China national standards | MT | 1450.56 | USD | 20251013 |