| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 981.48 | USD | 20250822 |
| Shandong Langchem | China national standards | MT | 1052.09 | USD | 20250821 |
| Shandong Langchem | China national standards | MT | 1136.25 | USD | 20250821 |
| Zibo Lishuo Chem | China national standards | MT | 841.67 | USD | 20250821 |
| Zibo Lishuo Chem | China national standards | MT | 841.67 | USD | 20250821 |
| Zibo Lishuo Chem | China national standards | MT | 841.67 | USD | 20250821 |
| Zibo Lishuo Chem | China national standards | MT | 841.67 | USD | 20250821 |
| Zibo Lishuo Chem | China national standards | MT | 841.67 | USD | 20250821 |
| Shandong Xima | China national standards | MT | 785.56 | USD | 20250821 |
| Shandong Qiangsen Chem | China national standards | MT | 813.61 | USD | 20250821 |