| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 814.74 | USD | 20250826 |
| Shandong Laya Chem | China national standards | MT | 786.65 | USD | 20250826 |
| Shandong Yeyang Chem | China national standards | MT | 814.74 | USD | 20250826 |
| Aite Zhejiang | China national standards | MT | 884.98 | USD | 20250826 |
| Aite Zhejiang | China national standards | MT | 877.96 | USD | 20250826 |
| Aite Zhejiang | China national standards | MT | 884.98 | USD | 20250826 |
| Aite Zhejiang | China national standards | MT | 877.96 | USD | 20250826 |
| Shandong Huize Chem | China national standards | MT | 1095.69 | USD | 20250826 |
| Shandong Jinwen Chem | China national standards | MT | 983.31 | USD | 20250826 |
| Shandong Langchem | China national standards | MT | 1138.26 | USD | 20250825 |