| Vendor | Spec | Unit | Price | Currency | Date |
| Binzhou Dayou Energy | China national standards | MT | 659.86 | USD | 20251209 |
| Binzhou Dayou Energy | China national standards | MT | 659.94 | USD | 20251208 |
| Binzhou Dayou Energy | China national standards | MT | 660.08 | USD | 20251205 |
| Binzhou Dayou Energy | China national standards | MT | 660.23 | USD | 20251204 |
| Binzhou Dayou Energy | China national standards | MT | 659.66 | USD | 20251202 |
| Binzhou Dayou Energy | China national standards | MT | 659.99 | USD | 20251201 |
| Binzhou Dayou Energy | China national standards | MT | 659.64 | USD | 20251126 |
| Binzhou Dayou Energy | China national standards | MT | 659.27 | USD | 20251107 |
| Binzhou Dayou Energy | China national standards | MT | 659.0 | USD | 20251106 |
| Binzhou Dayou Energy | China national standards | MT | 658.98 | USD | 20251103 |