| Vendor | Spec | Unit | Price | Currency | Date |
| Zaozhuang Yitai | China national standards | MT | 1058.37 | USD | 20251030 |
| Zaozhuang Yitai | China national standards | MT | 1058.48 | USD | 20251028 |
| Zaozhuang Yitai | China national standards | MT | 1057.56 | USD | 20251023 |
| Zaozhuang Yitai | China national standards | MT | 1057.02 | USD | 20251022 |
| Zaozhuang Yitai | China national standards | MT | 1056.74 | USD | 20251020 |
| Zaozhuang Yitai | China national standards | MT | 1057.1 | USD | 20251017 |
| Zaozhuang Yitai | China national standards | MT | 1056.81 | USD | 20251016 |
| Zaozhuang Yitai | China national standards | MT | 1056.41 | USD | 20251015 |
| Zaozhuang Yitai | China national standards | MT | 1056.23 | USD | 20251013 |
| Zaozhuang Yitai | China national standards | MT | 1055.62 | USD | 20251011 |