| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 818.83 | USD | 20251112 |
| Zibo Lishuo Chem | China national standards | MT | 847.06 | USD | 20251112 |
| Aite Zhejiang | China national standards | MT | 882.36 | USD | 20251112 |
| Shandong Yeyang Chem | China national standards | MT | 790.59 | USD | 20251112 |
| Zibo Lishuo Chem | China national standards | MT | 847.06 | USD | 20251112 |
| Wanhua Yantai | China national standards | MT | 896.47 | USD | 20251112 |
| Zibo Lishuo Chem | China national standards | MT | 847.06 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 988.24 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 1143.53 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 1058.83 | USD | 20251112 |