| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1252.39 | USD | 20250905 |
| Shandong Langchem | China national standards | MT | 1097.6 | USD | 20250905 |
| Shandong Langchem | China national standards | MT | 1076.49 | USD | 20250905 |
| Shandong Langchem | China national standards | MT | 1097.6 | USD | 20250905 |
| Shandong Qiangsen Chem | China national standards | MT | 985.03 | USD | 20250905 |
| Shandong Jinwen Chem | China national standards | MT | 1041.31 | USD | 20250905 |
| Luxi Chem | China national standards | MT | 1034.45 | USD | 20250904 |
| Shandong Huize Chem | China national standards | MT | 1040.95 | USD | 20250902 |
| Shandong Huize Chem | China national standards | MT | 1040.95 | USD | 20250902 |
| Shandong Jinwen Chem | China national standards | MT | 1040.95 | USD | 20250902 |