| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 330.89 | USD | 20251014 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.73 | USD | 20251014 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.79 | USD | 20251013 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 330.95 | USD | 20251013 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.79 | USD | 20251013 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.61 | USD | 20251012 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 330.76 | USD | 20251012 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.61 | USD | 20251011 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.61 | USD | 20251011 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 330.76 | USD | 20251011 |