| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1090.57 | USD | 20250906 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1090.57 | USD | 20250905 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1090.75 | USD | 20250904 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1096.92 | USD | 20250903 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1090.18 | USD | 20250902 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1090.44 | USD | 20250901 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1097.48 | USD | 20250901 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1091.09 | USD | 20250829 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1097.62 | USD | 20250828 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1090.58 | USD | 20250828 |