| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun | China national standards | MT | 1079.29 | USD | 20251031 |
| Shandong Zhenkun | China national standards | MT | 1079.53 | USD | 20251030 |
| Shandong Zhenkun | China national standards | MT | 1079.65 | USD | 20251028 |
| Shandong Zhenkun | China national standards | MT | 1079.27 | USD | 20251027 |
| Shandong Zhenkun | China national standards | MT | 1078.71 | USD | 20251023 |
| Shandong Zhenkun | China national standards | MT | 1078.53 | USD | 20251021 |
| Shandong Zhenkun | China national standards | MT | 1077.87 | USD | 20251020 |
| Shandong Zhenkun | China national standards | MT | 1078.24 | USD | 20251017 |
| Shandong Zhenkun | China national standards | MT | 1077.95 | USD | 20251016 |
| Shandong Zhenkun | China national standards | MT | 1077.54 | USD | 20251015 |