| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1170.36 | USD | 20250929 |
| Shandong Langchem | China national standards | MT | 1246.33 | USD | 20250929 |
| Shandong Jinwen Chem | China national standards | MT | 970.61 | USD | 20250929 |
| Shandong Jinwen Chem | China national standards | MT | 970.61 | USD | 20250929 |
| Shandong Jinwen Chem | China national standards | MT | 1097.22 | USD | 20250929 |
| Nanjing Runsheng Petro | China national standards | MT | 1040.95 | USD | 20250929 |
| Nanjing Runsheng Petro | China national standards | MT | 1040.95 | USD | 20250929 |
| Shandong Xima | China national standards | MT | 914.35 | USD | 20250929 |
| Luxi Chem | China national standards | MT | 1025.97 | USD | 20250928 |
| Shandong Hualu | China national standards | MT | 1033.0 | USD | 20250928 |