| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1075.83 | USD | 20250827 |
| Shandong Langchem | China national standards | MT | 1096.92 | USD | 20250827 |
| Shandong Langchem | China national standards | MT | 1251.62 | USD | 20250827 |
| Shandong Langchem | China national standards | MT | 1279.74 | USD | 20250827 |
| Shandong Langchem | China national standards | MT | 1103.95 | USD | 20250827 |
| Shandong Jinwen Chem | China national standards | MT | 1040.67 | USD | 20250827 |
| Shandong Fusheng | China national standards | MT | 1125.05 | USD | 20250827 |
| Shandong Fusheng | China national standards | MT | 1054.73 | USD | 20250827 |
| Qingdao Shengze Chem | China national standards | MT | 1011.41 | USD | 20250826 |
| Qingdao Shengze Chem | China national standards | MT | 1011.41 | USD | 20250826 |