| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | Industrial Grade | MT | 904.79 | USD | 20250821 |
| Shandong Langchem | China national standards | MT | 932.85 | USD | 20250821 |
| Shandong Langchem | China national standards | MT | 939.86 | USD | 20250821 |
| Shandong Langchem | China national standards | MT | 841.67 | USD | 20250821 |
| Aite Zhejiang | China national standards | MT | 785.56 | USD | 20250821 |
| Aite Zhejiang | China national standards | MT | 785.56 | USD | 20250821 |
| Aite Zhejiang | China national standards | MT | 841.67 | USD | 20250821 |
| Aite Zhejiang | China national standards | MT | 841.67 | USD | 20250821 |
| Shandong Jinwen Chem | China national standards | MT | 841.67 | USD | 20250821 |
| Shandong Mengkanda Chem | China national standards | MT | 679.42 | USD | 20250820 |