| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1101.31 | USD | 20251115 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 931.87 | USD | 20251115 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1094.25 | USD | 20251114 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 931.87 | USD | 20251114 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1101.31 | USD | 20251114 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 931.35 | USD | 20251113 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1093.63 | USD | 20251113 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1100.68 | USD | 20251113 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1101.18 | USD | 20251112 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 931.77 | USD | 20251112 |