| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 985.8 | USD | 20250909 |
| Shandong Langchem | China national standards | MT | 1055.91 | USD | 20250908 |
| Shandong Langchem | China national standards | MT | 1140.38 | USD | 20250908 |
| Zibo Lishuo Chem | China national standards | MT | 844.73 | USD | 20250908 |
| Zibo Lishuo Chem | China national standards | MT | 844.73 | USD | 20250908 |
| Zibo Lishuo Chem | China national standards | MT | 844.73 | USD | 20250908 |
| Zibo Lishuo Chem | China national standards | MT | 844.73 | USD | 20250908 |
| Zibo Lishuo Chem | China national standards | MT | 844.73 | USD | 20250908 |
| Shandong Xima | China national standards | MT | 788.41 | USD | 20250908 |
| Shandong Qiangsen Chem | China national standards | MT | 816.57 | USD | 20250908 |