| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 966.94 | USD | 20250819 |
| Qingdao Shengze Chem | China national standards | MT | 966.94 | USD | 20250819 |
| Shandong Xima | China national standards | MT | 910.89 | USD | 20250819 |
| Shandong Jinwen Chem | China national standards | MT | 1093.06 | USD | 20250819 |
| Shandong Jinwen Chem | China national standards | MT | 966.94 | USD | 20250819 |
| Shandong Jinwen Chem | China national standards | MT | 966.94 | USD | 20250819 |
| Shandong Langchem | China national standards | MT | 1241.61 | USD | 20250819 |
| Shandong Langchem | China national standards | MT | 1165.94 | USD | 20250819 |
| Qingdao Shengze Chem | China national standards | MT | 967.44 | USD | 20250818 |
| Qingdao Shengze Chem | China national standards | MT | 967.44 | USD | 20250818 |