| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 998.75 | USD | 20250929 |
| Shandong Yihe Chem | China national standards | MT | 998.75 | USD | 20250929 |
| Shandong Yihe Chem | China national standards | MT | 984.68 | USD | 20250929 |
| Jinan Angxin Chem | China national standards | MT | 949.51 | USD | 20250929 |
| 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 |