| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.33 | USD | 20251102 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.33 | USD | 20251102 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.33 | USD | 20251101 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.33 | USD | 20251101 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 331.55 | USD | 20251101 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.33 | USD | 20251031 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 331.55 | USD | 20251031 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.4 | USD | 20251030 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.4 | USD | 20251030 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.49 | USD | 20251029 |