| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Chem | China national standards | MT | 801.37 | USD | 20250919 |
| Luxi Chem | China national standards | MT | 773.25 | USD | 20250919 |
| Zibo Lishuo Chem | China national standards | MT | 913.85 | USD | 20250919 |
| Zibo Lishuo Chem | China national standards | MT | 913.85 | USD | 20250919 |
| Zibo Lishuo Chem | China national standards | MT | 913.85 | USD | 20250919 |
| Zibo Lishuo Chem | China national standards | MT | 913.85 | USD | 20250919 |
| Zibo Lishuo Chem | China national standards | MT | 913.85 | USD | 20250919 |
| Shandong Xima | China national standards | MT | 745.14 | USD | 20250919 |
| Shandong Qiangsen Chem | China national standards | MT | 815.43 | USD | 20250919 |
| Lihuayi Shandong | China national standards | MT | 815.43 | USD | 20250919 |