| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 931.26 | USD | 20251119 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1093.52 | USD | 20251119 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1100.58 | USD | 20251119 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1100.82 | USD | 20251118 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1093.77 | USD | 20251118 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 931.47 | USD | 20251118 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 931.99 | USD | 20251117 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1101.45 | USD | 20251117 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1094.39 | USD | 20251117 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1094.25 | USD | 20251115 |