| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 756.89 | USD | 20250807 |
| Shandong Yeyang Chem | China national standards | MT | 770.9 | USD | 20250807 |
| Shandong Yeyang Chem | China national standards | MT | 784.92 | USD | 20250807 |
| Shandong Langchem | China national standards | MT | 847.23 | USD | 20250806 |
| Shandong Langchem | China national standards | MT | 861.24 | USD | 20250806 |
| Anhui Ruibai | China national standards | MT | 812.22 | USD | 20250806 |
| Anhui Ruibai | China national standards | MT | 686.19 | USD | 20250806 |
| Qingdao Shengze Chem | China national standards | MT | 686.19 | USD | 20250806 |
| Shandong Xingpeng Chem | China national standards | MT | 742.2 | USD | 20250806 |
| Shandong Junfeng | China national standards | MT | 770.21 | USD | 20250806 |