| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1097.74 | USD | 20250930 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1097.74 | USD | 20250930 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1097.22 | USD | 20250929 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1090.18 | USD | 20250929 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1096.24 | USD | 20250928 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1089.22 | USD | 20250928 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1090.67 | USD | 20250925 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1097.71 | USD | 20250925 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1090.67 | USD | 20250924 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1097.71 | USD | 20250924 |