| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 743.11 | USD | 20250818 |
| Shandong Fusheng | China national standards | MT | 841.26 | USD | 20250818 |
| Shandong Fusheng | Industrial Grade | MT | 897.34 | USD | 20250818 |
| Shandong Fusheng | China national standards | MT | 897.34 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 841.26 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 939.4 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 932.39 | USD | 20250818 |
| Shandong Langchem | Industrial Grade | MT | 904.35 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 897.34 | USD | 20250818 |
| Shandong Jinwen Chem | China national standards | MT | 841.26 | USD | 20250818 |