| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 949.51 | USD | 20250929 |
| Shandong Langchem | China national standards | MT | 1076.12 | USD | 20250929 |
| Shandong Langchem | China national standards | MT | 1097.22 | USD | 20250929 |
| Shandong Langchem | China national standards | MT | 1097.22 | USD | 20250929 |
| Shandong Langchem | China national standards | MT | 1251.95 | USD | 20250929 |
| Shandong Langchem | China national standards | MT | 1280.09 | USD | 20250929 |
| Shandong Langchem | China national standards | MT | 1104.25 | USD | 20250929 |
| Shandong Jinwen Chem | China national standards | MT | 1040.95 | USD | 20250929 |
| Nanjing Runsheng Petro | China national standards | MT | 1012.81 | USD | 20250929 |
| Shandong Xima | China national standards | MT | 984.68 | USD | 20250929 |