| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1091.81 | USD | 20250730 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1083.75 | USD | 20250729 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1090.74 | USD | 20250729 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1084.42 | USD | 20250728 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1091.41 | USD | 20250728 |
| 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 | 20250726 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1092.15 | USD | 20250725 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1085.15 | USD | 20250725 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1085.66 | USD | 20250724 |