| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 686.8 | USD | 20250807 |
| Shandong Xingpeng Chem | China national standards | MT | 742.87 | USD | 20250807 |
| Shandong Junfeng | China national standards | MT | 784.92 | USD | 20250807 |
| Shandong Junfeng | China national standards | MT | 770.9 | USD | 20250807 |
| Nanjing Baitu Chem | China national standards | MT | 742.87 | USD | 20250807 |
| Nanjing Baitu Chem | China national standards | MT | 742.87 | USD | 20250807 |
| Aite Zhejiang | China national standards | MT | 700.82 | USD | 20250807 |
| Shandong Jinwen Chem | China national standards | MT | 784.92 | USD | 20250807 |
| Shandong Langchem | China national standards | MT | 862.01 | USD | 20250807 |
| Shandong Langchem | China national standards | MT | 847.99 | USD | 20250807 |