| Vendor | Spec | Unit | Price | Currency | Date |
| Tai'an Huayang | China national standards | MT | 241.79 | USD | 20260528 |
| Tai'an Huayang | China national standards | MT | 241.61 | USD | 20260527 |
| Tai'an Huayang | China national standards | MT | 241.62 | USD | 20260526 |
| Tai'an Huayang | China national standards | MT | 241.52 | USD | 20260525 |
| Tai'an Huayang | China national standards | MT | 241.32 | USD | 20260522 |
| Tai'an Huayang | China national standards | MT | 241.41 | USD | 20260521 |
| Tai'an Huayang | China national standards | MT | USD | 20260520 | |
| Tai'an Huayang | China national standards | MT | USD | 20260519 | |
| Tai'an Huayang | China national standards | MT | USD | 20260518 | |
| Tai'an Huayang | China national standards | MT | USD | 20260515 |