| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 798.52 | USD | 20250808 |
| Shandong Qiangsen Chem | China national standards | MT | 798.52 | USD | 20250808 |
| Shandong Fusheng | China national standards | MT | 784.51 | USD | 20250808 |
| Shandong Huize Chem | China national standards | MT | 847.99 | USD | 20250807 |
| Zibo Lishuo Chem | China national standards | MT | 812.95 | USD | 20250807 |
| Zibo Lishuo Chem | China national standards | MT | 812.95 | USD | 20250807 |
| Zibo Lishuo Chem | China national standards | MT | 812.95 | USD | 20250807 |
| Zibo Lishuo Chem | China national standards | MT | 812.95 | USD | 20250807 |
| Zibo Lishuo Chem | China national standards | MT | 812.95 | USD | 20250807 |
| Shandong Xima | China national standards | MT | 700.82 | USD | 20250807 |