| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Guoke | China national standards | MT | 261.06 | USD | 20251113 |
| Shanghai Guoke | China national standards | MT | 261.18 | USD | 20251112 |
| Shanghai Guoke | China national standards | MT | 261.06 | USD | 20251111 |
| Shanghai Guoke | China national standards | MT | 261.09 | USD | 20251110 |
| Shanghai Guoke | China national standards | MT | 261.17 | USD | 20251107 |
| Shanghai Guoke | China national standards | MT | 261.06 | USD | 20251106 |
| Shanghai Guoke | China national standards | MT | 260.93 | USD | 20251105 |
| Shanghai Guoke | China national standards | MT | 260.99 | USD | 20251104 |
| Shanghai Guoke | China national standards | MT | 261.05 | USD | 20251103 |
| Shanghai Guoke | China national standards | MT | 261.0 | USD | 20251031 |