| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.38 | USD | 20251009 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.38 | USD | 20251009 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.58 | USD | 20251008 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.58 | USD | 20251008 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 330.73 | USD | 20251008 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 330.73 | USD | 20251007 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.58 | USD | 20251007 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 344.8 | USD | 20251005 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.58 | USD | 20251005 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.58 | USD | 20251004 |