| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima | China national standards | MT | 911.36 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 1166.54 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 1242.25 | USD | 20250818 |
| Shandong Jinwen Chem | China national standards | MT | 967.44 | USD | 20250818 |
| Shandong Jinwen Chem | China national standards | MT | 967.44 | USD | 20250818 |
| Shandong Jinwen Chem | China national standards | MT | 1093.63 | USD | 20250818 |
| Nanjing Baitu Chem | China national standards | MT | 1037.55 | USD | 20250818 |
| Qingdao Shengze Chem | China national standards | MT | 966.78 | USD | 20250817 |
| Qingdao Shengze Chem | China national standards | MT | 966.78 | USD | 20250817 |
| Qingdao Shengze Chem | China national standards | MT | 966.78 | USD | 20250816 |