| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima | China national standards | MT | 844.84 | USD | 20250913 |
| Shandong Qiangsen Chem | China national standards | MT | 1056.06 | USD | 20250913 |
| Qingdao Shengze Chem | China national standards | MT | 1464.4 | USD | 20250912 |
| Qingdao Shengze Chem | China national standards | MT | 1464.4 | USD | 20250912 |
| Qingdao Shengze Chem | China national standards | MT | 1464.4 | USD | 20250912 |
| Qingdao Shengze Chem | China national standards | MT | 1464.4 | USD | 20250912 |
| Shandong Langchem | China national standards | MT | 1168.7 | USD | 20250912 |
| Shandong Langchem | China national standards | MT | 1182.78 | USD | 20250912 |
| Shandong Langchem | China national standards | MT | 1171.52 | USD | 20250912 |
| Shandong Langchem | China national standards | MT | 1171.52 | USD | 20250912 |