| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 911.81 | USD | 20250821 |
| Zibo Lishuo Chem | China national standards | MT | 911.81 | USD | 20250821 |
| Zibo Lishuo Chem | China national standards | MT | 911.81 | USD | 20250821 |
| Zibo Lishuo Chem | China national standards | MT | 911.81 | USD | 20250821 |
| Shandong Xima | China national standards | MT | 743.47 | USD | 20250821 |
| Shandong Qiangsen Chem | China national standards | MT | 813.61 | USD | 20250821 |
| Aite Zhejiang | China national standards | MT | 981.95 | USD | 20250821 |
| Aite Zhejiang | China national standards | MT | 981.95 | USD | 20250821 |
| Shandong Yeyang Chem | China national standards | MT | 771.53 | USD | 20250821 |
| Qingdao Shengze Chem | China national standards | MT | 791.49 | USD | 20250820 |