| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 981.46 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 1166.54 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 1205.8 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 1205.8 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 1170.75 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 1191.78 | USD | 20250818 |
| Shandong Jinwen Chem | China national standards | MT | 1205.8 | USD | 20250818 |
| Aite Zhejiang | China national standards | MT | 1121.67 | USD | 20250818 |
| Aite Zhejiang | China national standards | MT | 1121.67 | USD | 20250818 |
| Qingdao Shengze Chem | China national standards | MT | 1008.81 | USD | 20250817 |