| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1185.84 | USD | 20251107 |
| Shandong Qiangsen Chem | China national standards | MT | 1058.78 | USD | 20251107 |
| Shandong Yihe Chem | China national standards | MT | 1623.47 | USD | 20251107 |
| Shandong Yuanhe Chem | China national standards | MT | 1270.54 | USD | 20251107 |
| Shandong Yihe Chem | China national standards | MT | 1623.47 | USD | 20251107 |
| Jinan Aochen Chem | China national standards | MT | 1312.89 | USD | 20251107 |
| Dongying Hebang Chem | China national standards | MT | 1355.24 | USD | 20251107 |
| Jinan Aochen Chem | China national standards | MT | 1270.54 | USD | 20251107 |
| Shandong Shuojia Chem | China national standards | MT | 1694.05 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 1174.54 | USD | 20251107 |