| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1069.56 | USD | 20250923 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1196.22 | USD | 20250923 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1195.75 | USD | 20250918 |