| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1095.69 | USD | 20250826 |
| Shandong Langchem | China national standards | MT | 1095.69 | USD | 20250826 |
| Shandong Qiangsen Chem | China national standards | MT | 983.31 | USD | 20250826 |
| Shandong Laya Chem | China national standards | MT | 997.36 | USD | 20250826 |
| Aite Zhejiang | China national standards | MT | 1067.6 | USD | 20250826 |
| Aite Zhejiang | China national standards | MT | 1025.45 | USD | 20250826 |
| Aite Zhejiang | China national standards | MT | 1025.45 | USD | 20250826 |
| Aite Zhejiang | China national standards | MT | 1067.6 | USD | 20250826 |
| Qingdao Shengze Chem | China national standards | MT | 1011.41 | USD | 20250826 |
| Qingdao Shengze Chem | China national standards | MT | 1011.79 | USD | 20250825 |