| Vendor | Spec | Unit | Price | Currency | Date |
| Weifang Yixin Chem | China national standards | MT | 1693.36 | USD | 20251113 |
| Shandong Huize Chem | China national standards | MT | 1340.58 | USD | 20251113 |
| Shandong Jinshenrun Chem | China national standards | MT | 1580.47 | USD | 20251113 |
| Shandong Yaoming Chem | China national standards | MT | 1079.52 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 1174.06 | USD | 20251113 |
| Shandong Junfeng | China national standards | MT | 917.24 | USD | 20251113 |
| Shandong Qiangsen Chem | China national standards | MT | 1058.35 | USD | 20251113 |
| Shandong Yihe Chem | China national standards | MT | 1622.8 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 1174.06 | USD | 20251113 |
| Hubei 789 Chem | China national standards | MT | 1128.91 | USD | 20251113 |