| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Wanzhong | China national standards | MT | 594.16 | USD | 20251110 |
| Shanghai Wanzhong | China national standards | MT | 593.79 | USD | 20251105 |
| Shanghai Wanzhong | China national standards | MT | 595.33 | USD | 20251104 |
| Shanghai Wanzhong | China national standards | MT | 592.66 | USD | 20251103 |
| Shanghai Wanzhong | China national standards | MT | 585.5 | USD | 20251031 |
| Shanghai Wanzhong | China national standards | MT | 592.68 | USD | 20251030 |
| Shanghai Wanzhong | China national standards | MT | 584.39 | USD | 20251029 |
| Shanghai Wanzhong | China national standards | MT | 590.04 | USD | 20251029 |
| Shanghai Wanzhong | China national standards | MT | 609.69 | USD | 20251028 |
| Shanghai Wanzhong | China national standards | MT | 606.65 | USD | 20251027 |