| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chem | China national standards | MT | 742.82 | USD | 20250813 |
| Shandong Yeyang Chem | China national standards | MT | 784.86 | USD | 20250813 |
| Shandong Yeyang Chem | China national standards | MT | 770.85 | USD | 20250813 |
| Shandong Yeyang Chem | China national standards | MT | 756.83 | USD | 20250813 |
| Shandong Langchem | China national standards | MT | 861.13 | USD | 20250812 |
| Shandong Langchem | China national standards | MT | 847.13 | USD | 20250812 |
| Shandong Jinwen Chem | China national standards | MT | 784.12 | USD | 20250812 |
| Anhui Ruibai | China national standards | MT | 812.12 | USD | 20250812 |
| Qingdao Shengze Chem | China national standards | MT | 686.1 | USD | 20250812 |
| Shandong Junfeng | China national standards | MT | 770.11 | USD | 20250812 |