| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1140.07 | USD | 20251011 |
| Shandong Langchem | China national standards | MT | 1055.62 | USD | 20251011 |
| Shandong Langchem | China national standards | MT | 985.25 | USD | 20251011 |
| Zibo Lishuo Chem | China national standards | MT | 844.5 | USD | 20251011 |
| Zibo Lishuo Chem | China national standards | MT | 844.5 | USD | 20251011 |
| Zibo Lishuo Chem | China national standards | MT | 844.5 | USD | 20251011 |
| Zibo Lishuo Chem | China national standards | MT | 844.5 | USD | 20251011 |
| Zibo Lishuo Chem | China national standards | MT | 844.5 | USD | 20251011 |
| Shandong Xima | China national standards | MT | 788.2 | USD | 20251011 |
| Shandong Qiangsen Chem | China national standards | MT | 816.35 | USD | 20251011 |