| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 847.68 | USD | 20250815 |
| Shandong Fusheng | China national standards | MT | 784.63 | USD | 20250815 |
| Zibo Lishuo Chem | China national standards | MT | 813.04 | USD | 20250814 |
| Zibo Lishuo Chem | China national standards | MT | 813.04 | USD | 20250814 |
| Zibo Lishuo Chem | China national standards | MT | 813.04 | USD | 20250814 |
| Zibo Lishuo Chem | China national standards | MT | 813.04 | USD | 20250814 |
| Zibo Lishuo Chem | China national standards | MT | 813.04 | USD | 20250814 |
| Shandong Xima | China national standards | MT | 700.9 | USD | 20250814 |
| Shandong Xima | China national standards | MT | 700.9 | USD | 20250814 |
| Shandong Qiangsen Chem | China national standards | MT | 799.02 | USD | 20250814 |