| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1096.4 | USD | 20251211 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 933.71 | USD | 20251211 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 933.71 | USD | 20251211 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1096.4 | USD | 20251211 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1103.47 | USD | 20251211 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1102.43 | USD | 20251210 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1095.36 | USD | 20251210 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 932.82 | USD | 20251210 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1095.05 | USD | 20251209 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 932.56 | USD | 20251209 |