| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Hi-tech | China national standards | MT | 1245.6 | USD | 20260528 |
| Dongying Hi-tech | China national standards | MT | 1244.67 | USD | 20260527 |
| Dongying Hi-tech | China national standards | MT | 1244.73 | USD | 20260526 |
| Dongying Hi-tech | China national standards | MT | 1244.18 | USD | 20260525 |
| Dongying Hi-tech | China national standards | MT | 1243.18 | USD | 20260522 |
| Dongying Hi-tech | China national standards | MT | 1243.62 | USD | 20260521 |
| Dongying Hi-tech | China national standards | MT | USD | 20260520 | |
| Dongying Hi-tech | China national standards | MT | USD | 20260519 | |
| Dongying Hi-tech | China national standards | MT | USD | 20260518 | |
| Dongying Hi-tech | China national standards | MT | USD | 20260515 |