| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1092.68 | USD | 20250820 |
| Shandong Langchem | China national standards | MT | 1092.68 | USD | 20250820 |
| Shandong Langchem | China national standards | MT | 1246.78 | USD | 20250820 |
| Shandong Langchem | China national standards | MT | 1274.8 | USD | 20250820 |
| Shandong Langchem | China national standards | MT | 1099.69 | USD | 20250820 |
| Shandong Fusheng | China national standards | MT | 1050.66 | USD | 20250820 |
| Shandong Fusheng | China national standards | MT | 1120.7 | USD | 20250820 |
| Qingdao Shengze Chem | China national standards | MT | 1015.99 | USD | 20250819 |
| Qingdao Shengze Chem | China national standards | MT | 1015.99 | USD | 20250819 |
| Shandong Xima | China national standards | MT | 980.96 | USD | 20250819 |