| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 966.78 | USD | 20250816 |
| Shandong Xima | China national standards | MT | 910.73 | USD | 20250816 |
| Qingdao Shengze Chem | China national standards | MT | 966.78 | USD | 20250815 |
| Qingdao Shengze Chem | China national standards | MT | 966.78 | USD | 20250815 |
| Qingdao Shengze Chem | China national standards | MT | 966.78 | USD | 20250815 |
| Nanjing Baitu Chem | China national standards | MT | 1036.84 | USD | 20250815 |
| Shandong Xima | China national standards | MT | 910.73 | USD | 20250815 |
| Shandong Langchem | China national standards | MT | 1241.4 | USD | 20250815 |
| Shandong Langchem | China national standards | MT | 1165.74 | USD | 20250815 |
| Shandong Jinwen Chem | China national standards | MT | 1092.88 | USD | 20250815 |