| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi CoalChem | China national standards | MT | 360.32 | USD | 20251010 |
| Shaanxi CoalChem | China national standards | MT | 360.05 | USD | 20251009 |
| Shaanxi CoalChem | China national standards | MT | 360.28 | USD | 20250930 |
| Shaanxi CoalChem | China national standards | MT | 359.79 | USD | 20250926 |
| Shaanxi CoalChem | China national standards | MT | 351.83 | USD | 20250925 |
| Shaanxi CoalChem | China national standards | MT | 360.27 | USD | 20250925 |
| Shaanxi CoalChem | China national standards | MT | 351.83 | USD | 20250924 |
| Shaanxi CoalChem | China national standards | MT | 351.83 | USD | 20250923 |
| Shaanxi CoalChem | China national standards | MT | 351.59 | USD | 20250922 |
| Shaanxi CoalChem | China national standards | MT | 344.45 | USD | 20250919 |