| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 984.68 | USD | 20250902 |
| Shandong Langchem | China national standards | MT | 1055.27 | USD | 20250901 |
| Shandong Langchem | China national standards | MT | 1139.69 | USD | 20250901 |
| Zibo Lishuo Chem | China national standards | MT | 844.21 | USD | 20250901 |
| Zibo Lishuo Chem | China national standards | MT | 844.21 | USD | 20250901 |
| Zibo Lishuo Chem | China national standards | MT | 844.21 | USD | 20250901 |
| Zibo Lishuo Chem | China national standards | MT | 844.21 | USD | 20250901 |
| Zibo Lishuo Chem | China national standards | MT | 844.21 | USD | 20250901 |
| Shandong Xima | China national standards | MT | 787.93 | USD | 20250901 |
| Shandong Qiangsen Chem | China national standards | MT | 816.07 | USD | 20250901 |