| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chem | China national standards | MT | 1048.9 | USD | 20250916 |
| Qingdao Shengze Chem | China national standards | MT | 971.46 | USD | 20250916 |
| Qingdao Shengze Chem | China national standards | MT | 971.46 | USD | 20250916 |
| Nanjing Baitu Chem | China national standards | MT | 1041.86 | USD | 20250916 |
| Shandong Langchem | China national standards | MT | 1247.41 | USD | 20250916 |
| Shandong Langchem | China national standards | MT | 1171.39 | USD | 20250916 |
| Shandong Jinwen Chem | China national standards | MT | 1098.17 | USD | 20250916 |
| Shandong Jinwen Chem | China national standards | MT | 971.46 | USD | 20250916 |
| Shandong Jinwen Chem | China national standards | MT | 971.46 | USD | 20250916 |
| Qingdao Shengze Chem | China national standards | MT | 971.07 | USD | 20250915 |