| Vendor | Spec | Unit | Price | Currency | Date |
| 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 | 1090.58 | USD | 20250828 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1097.62 | USD | 20250828 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1089.89 | USD | 20250827 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1096.92 | USD | 20250827 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1088.67 | USD | 20250826 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1095.69 | USD | 20250826 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1089.08 | USD | 20250825 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1096.11 | USD | 20250825 |