| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.27 | USD | 20250919 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 344.45 | USD | 20250919 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.45 | USD | 20250918 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.45 | USD | 20250918 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.45 | USD | 20250918 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.45 | USD | 20250918 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 344.66 | USD | 20250918 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.45 | USD | 20250918 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.45 | USD | 20250918 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.45 | USD | 20250918 |