| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1246.36 | USD | 20251013 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1245.64 | USD | 20251012 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251011 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1245.64 | USD | 20251010 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 942.31 | USD | 20251009 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1244.69 | USD | 20251009 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 940.12 | USD | 20250930 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1245.51 | USD | 20250930 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 942.48 | USD | 20250929 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1244.92 | USD | 20250929 |