| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 930.49 | USD | 20251021 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1092.63 | USD | 20251021 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 929.93 | USD | 20251020 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1091.96 | USD | 20251020 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1099.01 | USD | 20251020 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1099.38 | USD | 20251017 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1092.33 | USD | 20251017 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 930.25 | USD | 20251017 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1092.04 | USD | 20251016 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1099.09 | USD | 20251016 |