| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1323.83 | USD | 20250820 |
| Shandong Xingpeng Chem | China national standards | MT | 1003.38 | USD | 20250819 |
| Zibo Lishuo Chem | China national standards | MT | 980.96 | USD | 20250819 |
| Zibo Lishuo Chem | China national standards | MT | 980.96 | USD | 20250819 |
| Zibo Lishuo Chem | China national standards | MT | 980.96 | USD | 20250819 |
| Zibo Lishuo Chem | China national standards | MT | 980.96 | USD | 20250819 |
| Zibo Lishuo Chem | China national standards | MT | 980.96 | USD | 20250819 |
| Shandong Xima | China national standards | MT | 966.94 | USD | 20250819 |
| Shandong Qiangsen Chem | China national standards | MT | 1037.01 | USD | 20250819 |
| Shandong Laya Chem | China national standards | MT | 966.94 | USD | 20250819 |