| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1084.42 | USD | 20250728 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1085.15 | USD | 20250726 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1092.15 | USD | 20250726 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1085.15 | USD | 20250725 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1092.15 | USD | 20250725 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1092.67 | USD | 20250724 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1085.66 | USD | 20250724 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1092.22 | USD | 20250723 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1085.22 | USD | 20250723 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1084.52 | USD | 20250722 |