| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1009.18 | USD | 20250807 |
| Shandong Xingpeng Chem | China national standards | MT | 1082.07 | USD | 20250807 |
| Shandong Junfeng | China national standards | MT | 1191.39 | USD | 20250807 |
| Shandong Xima | China national standards | MT | 953.12 | USD | 20250807 |
| Aite Zhejiang | China national standards | MT | 1121.31 | USD | 20250807 |
| Shandong Qiangsen Chem | China national standards | MT | 981.15 | USD | 20250807 |
| Shandong Jinwen Chem | China national standards | MT | 1205.41 | USD | 20250807 |
| Shandong Langchem | China national standards | MT | 1205.41 | USD | 20250807 |
| Shandong Langchem | China national standards | MT | 1205.41 | USD | 20250807 |
| Shandong Langchem | China national standards | MT | 1170.37 | USD | 20250807 |