| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 261.09 | USD | 20251110 |
| Shandong Hanyue Chem | China national standards | MT | 268.15 | USD | 20251110 |
| Shandong Hanyue Chem | China national standards | MT | 268.15 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 359.88 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 359.88 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 359.88 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 352.83 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 381.05 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 352.83 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 366.94 | USD | 20251110 |