| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1094.17 | USD | 20250821 |
| Shandong Langchem | China national standards | MT | 1094.17 | USD | 20250821 |
| Shandong Langchem | China national standards | MT | 1073.13 | USD | 20250821 |
| Aite Zhejiang | China national standards | MT | 1066.11 | USD | 20250821 |
| Aite Zhejiang | China national standards | MT | 1024.03 | USD | 20250821 |
| Aite Zhejiang | China national standards | MT | 1024.03 | USD | 20250821 |
| Aite Zhejiang | China national standards | MT | 1066.11 | USD | 20250821 |
| Shandong Jinwen Chem | China national standards | MT | 1038.06 | USD | 20250821 |
| Qingdao Shengze Chem | China national standards | MT | 1015.63 | USD | 20250820 |
| Shandong Xima | China national standards | MT | 980.61 | USD | 20250820 |