| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 360.0 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 352.94 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 381.18 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 352.94 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 367.06 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 331.77 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 345.88 | USD | 20251112 |
| Nanjing Runsheng Petro | China national standards | MT | 296.47 | USD | 20251112 |
| Nanjing Runsheng Petro | China national standards | MT | 338.83 | USD | 20251112 |
| Shandong Hanyue Chem | China national standards | MT | 268.24 | USD | 20251112 |