| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 367.26 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 331.95 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 353.14 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 381.39 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 353.14 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 360.2 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 360.2 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 360.2 | USD | 20251202 |
| Luxi Chem | China national standards | MT | 303.7 | USD | 20251202 |
| Shandong Zhenkun | China national standards | MT | 303.7 | USD | 20251202 |