| Vendor | Spec | Unit | Price | Currency | Date |
| Binzhou Dayou Energy | China national standards | MT | 657.24 | USD | 20251003 |
| Binzhou Dayou Energy | China national standards | MT | 657.24 | USD | 20251002 |
| Binzhou Dayou Energy | China national standards | MT | 657.24 | USD | 20251001 |
| Binzhou Dayou Energy | China national standards | MT | 656.92 | USD | 20250929 |
| Shandong Zhiheng | China national standards | MT | 656.34 | USD | 20250928 |
| Shandong Zhiheng | China national standards | MT | 656.34 | USD | 20250926 |
| Binzhou Dayou Energy | China national standards | MT | 656.34 | USD | 20250926 |
| Binzhou Dayou Energy | China national standards | MT | 657.22 | USD | 20250925 |
| Shandong Zhiheng | China national standards | MT | 657.22 | USD | 20250925 |
| Shandong Zhiheng | China national standards | MT | 657.22 | USD | 20250924 |