| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1097.71 | USD | 20250924 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1090.67 | USD | 20250924 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1090.67 | USD | 20250923 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1097.71 | USD | 20250923 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1089.92 | USD | 20250922 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1096.95 | USD | 20250922 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1089.58 | USD | 20250920 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250920 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1089.58 | USD | 20250919 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250919 |