| Vendor | Spec | Unit | Price | Currency | Date |
| Xinjiang Yankuang Qineng Coal Industry Co., Ltd. | China national standards | MT | 686.09 | USD | 20250727 |
| Xinjiang Yankuang Qineng Coal Industry Co., Ltd. | China national standards | MT | 686.14 | USD | 20250723 |
| Xinjiang Yankuang Qineng Coal Industry Co., Ltd. | China national standards | MT | 685.33 | USD | 20250720 |