| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1135.11 | USD | 20250819 |
| Shandong Langchem | China national standards | MT | 1163.13 | USD | 20250819 |
| Shandong Langchem | China national standards | MT | 1165.94 | USD | 20250819 |
| Dongying Lianchem | China national standards | MT | 1165.94 | USD | 20250819 |
| Shandong Langchem | China national standards | MT | 1177.15 | USD | 20250819 |
| Shandong Langchem | China national standards | MT | 1165.94 | USD | 20250819 |
| Shandong Langchem | China national standards | MT | 1165.94 | USD | 20250819 |
| Shandong Junfeng | China national standards | MT | 910.89 | USD | 20250819 |
| Shandong Junfeng | China national standards | MT | 917.89 | USD | 20250819 |
| Qingdao Shengze Chem | China national standards | MT | 1402.09 | USD | 20250818 |