| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Daoqin Chem | China national standards | MT | 988.99 | USD | 20251127 |
| Shandong Shuojia Chem | China national standards | MT | 826.52 | USD | 20251127 |
| Shandong Shuojia Chem | Industrial Grade | MT | 826.52 | USD | 20251127 |
| Shandong Shuojia Chem | Industrial Grade | MT | 826.52 | USD | 20251127 |
| Shandong Shuojia Chem | China national standards | MT | 826.52 | USD | 20251127 |
| Shandong Shuojia Chem | China national standards | MT | 826.52 | USD | 20251127 |
| Shandong Shuojia Chem | China national standards | MT | 826.52 | USD | 20251127 |
| Shandong Shuojia Chem | China national standards | MT | 826.52 | USD | 20251127 |
| Shandong Langchem | China national standards | MT | 847.71 | USD | 20251127 |
| Shandong Langchem | China national standards | MT | 946.61 | USD | 20251127 |