| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1072.6 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 1247.86 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 1275.9 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 1100.64 | USD | 20250818 |
| Shandong Jinwen Chem | China national standards | MT | 1037.55 | USD | 20250818 |
| Aite Zhejiang | China national standards | MT | 1065.59 | USD | 20250818 |
| Aite Zhejiang | China national standards | MT | 1023.53 | USD | 20250818 |
| Qingdao Shengze Chem | China national standards | MT | 1015.82 | USD | 20250817 |
| Shandong Laya Chem | China national standards | MT | 994.8 | USD | 20250816 |
| Shandong Laya Chem | China national standards | MT | 994.8 | USD | 20250816 |