| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 839.21 | USD | 20250802 |
| Zibo Lishuo Chem | China national standards | MT | 839.21 | USD | 20250802 |
| Zibo Lishuo Chem | China national standards | MT | 839.21 | USD | 20250802 |
| Zibo Lishuo Chem | China national standards | MT | 839.21 | USD | 20250802 |
| Shandong Qiangsen Chem | China national standards | MT | 811.23 | USD | 20250802 |
| Shandong Langchem | China national standards | MT | 1132.93 | USD | 20250801 |
| Shandong Langchem | China national standards | MT | 1049.01 | USD | 20250801 |
| Zibo Lishuo Chem | China national standards | MT | 839.21 | USD | 20250801 |
| Zibo Lishuo Chem | China national standards | MT | 839.21 | USD | 20250801 |
| Zibo Lishuo Chem | China national standards | MT | 839.21 | USD | 20250801 |