| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 841.27 | USD | 20250823 |
| Shandong Jinwen Chem | China national standards | MT | 841.27 | USD | 20250823 |
| Shandong Xingpeng Chem | China national standards | MT | 644.97 | USD | 20250823 |
| Shandong Qiangsen Chem | China national standards | MT | 743.12 | USD | 20250823 |
| Qingdao Shengze Chem | China national standards | MT | 813.22 | USD | 20250823 |
| Qingdao Shengze Chem | Industrial Grade | MT | 813.22 | USD | 20250823 |
| Shandong Xingpeng Chem | China national standards | MT | 644.97 | USD | 20250822 |
| Qingdao Shengze Chem | Industrial Grade | MT | 813.22 | USD | 20250822 |
| Qingdao Shengze Chem | China national standards | MT | 813.22 | USD | 20250822 |
| Nanjing Baitu Chem | China national standards | MT | 813.22 | USD | 20250822 |