| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 886.52 | USD | 20250905 |
| Shandong Qiangsen Chem | China national standards | MT | 802.09 | USD | 20250905 |
| Shandong Qiangsen Chem | China national standards | MT | 802.09 | USD | 20250905 |
| Shandong Jinwen Chem | China national standards | MT | 851.35 | USD | 20250905 |
| Shandong Jinwen Chem | China national standards | MT | 851.35 | USD | 20250905 |
| Shandong Jinwen Chem | China national standards | MT | 851.05 | USD | 20250902 |
| Shandong Jinwen Chem | China national standards | MT | 851.05 | USD | 20250902 |
| Shandong Langchem | China national standards | MT | 886.21 | USD | 20250902 |
| Zibo Lishuo Chem | China national standards | MT | 815.88 | USD | 20250902 |
| Zibo Lishuo Chem | China national standards | MT | 815.88 | USD | 20250902 |