| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima | China national standards | MT | 915.11 | USD | 20250829 |
| Shandong Langchem | China national standards | MT | 1171.34 | USD | 20250829 |
| Shandong Langchem | China national standards | MT | 1247.36 | USD | 20250829 |
| Shandong Jinwen Chem | China national standards | MT | 971.42 | USD | 20250829 |
| Shandong Jinwen Chem | China national standards | MT | 971.42 | USD | 20250829 |
| Shandong Jinwen Chem | China national standards | MT | 1098.13 | USD | 20250829 |
| Nanjing Baitu Chem | China national standards | MT | 1041.81 | USD | 20250829 |
| Qingdao Shengze Chem | China national standards | MT | 970.97 | USD | 20250828 |
| Qingdao Shengze Chem | China national standards | MT | 970.97 | USD | 20250828 |
| Qingdao Shengze Chem | China national standards | MT | 970.97 | USD | 20250828 |