| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 771.53 | USD | 20250821 |
| Shandong Junfeng | China national standards | MT | 785.56 | USD | 20250821 |
| Shandong Langchem | China national standards | MT | 848.68 | USD | 20250821 |
| Shandong Langchem | China national standards | MT | 862.71 | USD | 20250821 |
| Aite Zhejiang | China national standards | MT | 701.39 | USD | 20250821 |
| Aite Zhejiang | China national standards | MT | 701.39 | USD | 20250821 |
| Shandong Jinwen Chem | China national standards | MT | 785.56 | USD | 20250821 |
| Shandong Yeyang Chem | China national standards | MT | 785.56 | USD | 20250821 |
| Shandong Yeyang Chem | China national standards | MT | 771.53 | USD | 20250821 |
| Shandong Yeyang Chem | China national standards | MT | 757.5 | USD | 20250821 |