| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1092.71 | USD | 20250809 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1092.71 | USD | 20250808 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1085.71 | USD | 20250808 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1093.28 | USD | 20250807 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1086.27 | USD | 20250807 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1092.3 | USD | 20250806 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1085.3 | USD | 20250806 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1085.95 | USD | 20250805 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1092.96 | USD | 20250805 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1085.51 | USD | 20250804 |