| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1104.76 | USD | 20250915 |
| Shandong Langchem | China national standards | MT | 1111.8 | USD | 20250915 |
| Shandong Langchem | China national standards | MT | 1111.8 | USD | 20250915 |
| Shandong Langchem | China national standards | MT | 1097.73 | USD | 20250915 |
| Qingdao Shengze Chem | China national standards | MT | 985.65 | USD | 20250914 |
| Shandong Xingpeng Chem | China national standards | MT | 999.73 | USD | 20250914 |
| Shandong Xingpeng Chem | China national standards | MT | 999.73 | USD | 20250913 |
| Qingdao Shengze Chem | China national standards | MT | 985.65 | USD | 20250913 |
| Shandong Xima | China national standards | MT | 887.09 | USD | 20250913 |
| Shandong Qiangsen Chem | China national standards | MT | 929.33 | USD | 20250913 |