| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 686.55 | USD | 20250815 |
| Anhui Ruibai | China national standards | MT | 812.65 | USD | 20250815 |
| Anhui Ruibai | China national standards | MT | 686.55 | USD | 20250815 |
| Qingdao Shengze Chem | China national standards | MT | 686.55 | USD | 20250815 |
| Shandong Xingpeng Chem | China national standards | MT | 742.6 | USD | 20250815 |
| Nanjing Baitu Chem | China national standards | MT | 742.6 | USD | 20250815 |
| Nanjing Baitu Chem | China national standards | MT | 742.6 | USD | 20250815 |
| Shandong Langchem | China national standards | MT | 847.68 | USD | 20250815 |
| Shandong Langchem | China national standards | MT | 861.69 | USD | 20250815 |
| Shandong Jinwen Chem | China national standards | MT | 784.63 | USD | 20250815 |