| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 1092.16 | USD | 20250812 |
| Shandong Xingpeng Chem | China national standards | MT | 854.28 | USD | 20250811 |
| Qingdao Shengze Chem | China national standards | MT | 826.27 | USD | 20250811 |
| Sinopec | China national standards | MT | 1085.36 | USD | 20250811 |
| Shandong Langchem | China national standards | MT | 1057.35 | USD | 20250811 |
| Shandong Langchem | China national standards | MT | 966.32 | USD | 20250811 |
| Shandong Xima | China national standards | MT | 784.26 | USD | 20250811 |
| Sinopec | China national standards | MT | 1092.36 | USD | 20250811 |
| Sinopec | China national standards | MT | 1092.36 | USD | 20250811 |
| Shandong Xingpeng Chem | China national standards | MT | 854.56 | USD | 20250810 |