| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.57 | USD | 20250925 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.57 | USD | 20250924 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.57 | USD | 20250924 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 344.79 | USD | 20250924 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.57 | USD | 20250923 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.57 | USD | 20250923 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 344.79 | USD | 20250923 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.37 | USD | 20250922 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.37 | USD | 20250922 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.37 | USD | 20250922 |