| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1095.19 | USD | 20251208 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1102.26 | USD | 20251208 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 932.88 | USD | 20251205 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1102.49 | USD | 20251205 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1095.42 | USD | 20251205 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 933.09 | USD | 20251204 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1102.74 | USD | 20251204 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1095.67 | USD | 20251204 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1095.34 | USD | 20251203 |