| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1097.73 | USD | 20250915 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1090.69 | USD | 20250915 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1098.3 | USD | 20250912 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1091.26 | USD | 20250912 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1091.03 | USD | 20250911 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1098.07 | USD | 20250911 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1098.47 | USD | 20250909 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1091.43 | USD | 20250909 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1091.1 | USD | 20250908 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1090.57 | USD | 20250906 |