| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 770.25 | USD | 20250811 |
| Shandong Yeyang Chem | China national standards | MT | 756.25 | USD | 20250811 |
| Shandong Xingpeng Chem | China national standards | MT | 742.48 | USD | 20250810 |
| Shandong Yeyang Chem | China national standards | MT | 770.5 | USD | 20250809 |
| Shandong Yeyang Chem | China national standards | MT | 784.51 | USD | 20250809 |
| Shandong Yeyang Chem | China national standards | MT | 784.51 | USD | 20250809 |
| Shandong Yeyang Chem | China national standards | MT | 756.49 | USD | 20250809 |
| Anhui Ruibai | China national standards | MT | 812.53 | USD | 20250809 |
| Shandong Xingpeng Chem | China national standards | MT | 742.48 | USD | 20250809 |
| Shandong Langchem | China national standards | MT | 861.56 | USD | 20250809 |