| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1086.64 | USD | 20250822 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1093.65 | USD | 20250822 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1087.15 | USD | 20250821 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1094.17 | USD | 20250821 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1085.68 | USD | 20250820 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1092.68 | USD | 20250820 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1092.68 | USD | 20250820 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1093.06 | USD | 20250819 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1086.06 | USD | 20250819 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1093.63 | USD | 20250818 |