| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Guoke | China national standards | MT | 260.68 | USD | 20251016 |
| Shanghai Guoke | China national standards | MT | 260.58 | USD | 20251015 |
| Shanghai Guoke | China national standards | MT | 260.49 | USD | 20251014 |
| Shanghai Guoke | China national standards | MT | 260.54 | USD | 20251013 |
| Shanghai Guoke | China national standards | MT | 260.39 | USD | 20251011 |
| Shanghai Guoke | China national standards | MT | 260.39 | USD | 20251010 |
| Shanghai Guoke | China national standards | MT | 260.19 | USD | 20251009 |
| Shanghai Guoke | China national standards | MT | 260.36 | USD | 20250930 |
| Shanghai Guoke | China national standards | MT | 260.24 | USD | 20250929 |
| Shanghai Guoke | China national standards | MT | 260.01 | USD | 20250928 |