| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima | China national standards | MT | 952.93 | USD | 20250819 |
| Shandong Qiangsen Chem | China national standards | MT | 980.96 | USD | 20250819 |
| Shandong Jinwen Chem | China national standards | MT | 1205.17 | USD | 20250819 |
| Shandong Langchem | China national standards | MT | 1205.17 | USD | 20250819 |
| Shandong Langchem | China national standards | MT | 1165.94 | USD | 20250819 |
| Shandong Langchem | China national standards | MT | 1191.16 | USD | 20250819 |
| Shandong Langchem | China national standards | MT | 1170.14 | USD | 20250819 |
| Shandong Langchem | China national standards | MT | 1205.17 | USD | 20250819 |
| Shandong Junfeng | China national standards | MT | 1191.16 | USD | 20250819 |
| Qingdao Shengze Chem | China national standards | MT | 1009.51 | USD | 20250818 |