| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 847.53 | USD | 20250820 |
| Shandong Yeyang Chem | China national standards | MT | 784.49 | USD | 20250820 |
| Shandong Yeyang Chem | China national standards | MT | 756.47 | USD | 20250820 |
| Shandong Yeyang Chem | China national standards | MT | 770.48 | USD | 20250820 |
| Shandong Yeyang Chem | China national standards | MT | 784.49 | USD | 20250820 |
| Shandong Yeyang Chem | China national standards | MT | 756.47 | USD | 20250820 |
| Shandong Yeyang Chem | China national standards | MT | 770.48 | USD | 20250820 |
| Qingdao Shengze Chem | China national standards | MT | 686.67 | USD | 20250819 |
| Anhui Ruibai | China national standards | MT | 812.79 | USD | 20250819 |
| Anhui Ruibai | China national standards | MT | 686.67 | USD | 20250819 |