| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 812.71 | USD | 20250805 |
| Shandong Yeyang Chem | China national standards | MT | 812.71 | USD | 20250805 |
| Aite Zhejiang | China national standards | MT | 875.77 | USD | 20250805 |
| Aite Zhejiang | China national standards | MT | 882.77 | USD | 20250805 |
| Shandong Jinwen Chem | China national standards | MT | 980.86 | USD | 20250805 |
| Shandong Langchem | China national standards | MT | 1050.49 | USD | 20250804 |
| Shandong Langchem | China national standards | MT | 1134.53 | USD | 20250804 |
| Zibo Lishuo Chem | China national standards | MT | 840.39 | USD | 20250804 |
| Zibo Lishuo Chem | China national standards | MT | 840.39 | USD | 20250804 |
| Zibo Lishuo Chem | China national standards | MT | 840.39 | USD | 20250804 |