| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.43 | USD | 20251028 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 331.54 | USD | 20251027 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.33 | USD | 20251027 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.33 | USD | 20251027 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.12 | USD | 20251025 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.12 | USD | 20251025 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.12 | USD | 20251025 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.12 | USD | 20251025 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.12 | USD | 20251024 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 331.32 | USD | 20251024 |