| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1092.88 | USD | 20250815 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1093.4 | USD | 20250814 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1086.39 | USD | 20250814 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1093.2 | USD | 20250813 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1086.19 | USD | 20250813 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1092.16 | USD | 20250812 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1085.16 | USD | 20250812 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1092.36 | USD | 20250811 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1085.36 | USD | 20250811 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1092.71 | USD | 20250809 |