| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Guoke | China national standards | MT | 670.94 | USD | 20251126 |
| Shanghai Guoke | China national standards | MT | 670.66 | USD | 20251125 |
| Shanghai Guoke | China national standards | MT | 670.46 | USD | 20251124 |
| Shanghai Guoke | China national standards | MT | 670.19 | USD | 20251121 |
| Shanghai Guoke | China national standards | MT | 684.01 | USD | 20251120 |
| Shanghai Guoke | China national standards | MT | 684.33 | USD | 20251119 |
| Shanghai Guoke | China national standards | MT | 684.49 | USD | 20251118 |
| Shanghai Guoke | China national standards | MT | 684.87 | USD | 20251117 |
| Shanghai Guoke | China national standards | MT | 684.79 | USD | 20251114 |
| Shanghai Guoke | China national standards | MT | 684.4 | USD | 20251113 |