| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1135.69 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 1051.57 | USD | 20250818 |
| Zibo Lishuo Chem | China national standards | MT | 841.26 | USD | 20250818 |
| Zibo Lishuo Chem | China national standards | MT | 841.26 | USD | 20250818 |
| Zibo Lishuo Chem | China national standards | MT | 841.26 | USD | 20250818 |
| Zibo Lishuo Chem | China national standards | MT | 841.26 | USD | 20250818 |
| Zibo Lishuo Chem | China national standards | MT | 841.26 | USD | 20250818 |
| Shandong Xima | China national standards | MT | 785.17 | USD | 20250818 |
| Shandong Qiangsen Chem | China national standards | MT | 813.21 | USD | 20250818 |
| Shandong Laya Chem | China national standards | MT | 785.17 | USD | 20250818 |