| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.95 | USD | 20251016 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.95 | USD | 20251016 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.95 | USD | 20251016 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 331.14 | USD | 20251016 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.95 | USD | 20251016 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.84 | USD | 20251015 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.84 | USD | 20251015 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.84 | USD | 20251015 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.84 | USD | 20251015 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.84 | USD | 20251015 |