| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.85 | USD | 20251201 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.85 | USD | 20251201 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.72 | USD | 20251130 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 331.97 | USD | 20251130 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.72 | USD | 20251130 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 331.97 | USD | 20251129 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.72 | USD | 20251129 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.72 | USD | 20251129 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.72 | USD | 20251128 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.72 | USD | 20251128 |