| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 967.06 | USD | 20250813 |
| Shandong Xima | China national standards | MT | 911.0 | USD | 20250813 |
| Shandong Langchem | China national standards | MT | 1241.77 | USD | 20250813 |
| Shandong Langchem | China national standards | MT | 1166.08 | USD | 20250813 |
| Shandong Jinwen Chem | China national standards | MT | 1093.2 | USD | 20250813 |
| Shandong Jinwen Chem | China national standards | MT | 967.06 | USD | 20250813 |
| Shandong Jinwen Chem | China national standards | MT | 967.06 | USD | 20250813 |
| Nanjing Baitu Chem | China national standards | MT | 1037.14 | USD | 20250813 |
| Shandong Langchem | China national standards | MT | 1164.97 | USD | 20250812 |
| Shandong Langchem | China national standards | MT | 1240.58 | USD | 20250812 |