| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 1092.71 | USD | 20250809 |
| Shandong Xima | China national standards | MT | 910.59 | USD | 20250809 |
| Shandong Langchem | China national standards | MT | 1241.21 | USD | 20250808 |
| Shandong Langchem | China national standards | MT | 1165.56 | USD | 20250808 |
| Shandong Jinwen Chem | China national standards | MT | 1092.71 | USD | 20250808 |
| Shandong Jinwen Chem | China national standards | MT | 966.63 | USD | 20250808 |
| Shandong Jinwen Chem | China national standards | MT | 966.63 | USD | 20250808 |
| Qingdao Shengze Chem | China national standards | MT | 966.63 | USD | 20250808 |
| Nanjing Baitu Chem | China national standards | MT | 1036.68 | USD | 20250808 |
| Shandong Xima | China national standards | MT | 910.59 | USD | 20250808 |