| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1101.18 | USD | 20251112 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1100.67 | USD | 20251111 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1093.61 | USD | 20251111 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 931.47 | USD | 20251110 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1093.77 | USD | 20251110 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1100.82 | USD | 20251110 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1101.14 | USD | 20251107 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1094.08 | USD | 20251107 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 931.73 | USD | 20251107 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 931.35 | USD | 20251106 |