| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1245.48 | USD | 20250923 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1244.62 | USD | 20250922 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 956.32 | USD | 20250922 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1244.24 | USD | 20250919 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |