| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1095.34 | USD | 20251203 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1101.79 | USD | 20251202 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 932.28 | USD | 20251202 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1094.73 | USD | 20251202 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1102.33 | USD | 20251201 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 932.74 | USD | 20251201 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1095.27 | USD | 20251201 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1094.8 | USD | 20251129 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 932.35 | USD | 20251129 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1101.87 | USD | 20251129 |