| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 541.83 | USD | 20250915 |
| Qingdao Shengze Chem | China national standards | MT | 541.83 | USD | 20250915 |
| Qingdao Shengze Chem | China national standards | MT | 541.83 | USD | 20250915 |
| Qingdao Shengze Chem | China national standards | MT | 541.83 | USD | 20250915 |
| Shandong Qiangsen Chem | China national standards | MT | 506.64 | USD | 20250915 |
| Shandong Langchem | China national standards | MT | 506.64 | USD | 20250915 |
| Shandong Jinwen Chem | China national standards | MT | 506.64 | USD | 20250915 |
| Shandong Fusheng | China national standards | MT | 703.67 | USD | 20250915 |
| Shandong Fusheng | China national standards | MT | 703.67 | USD | 20250915 |
| Nanjing Baitu Chem | China national standards | MT | 619.23 | USD | 20250915 |