| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1185.32 | USD | 20251103 |
| Qingdao Shengze Chem | China national standards | MT | 1650.98 | USD | 20251103 |
| Shandong Junfeng | China national standards | MT | 917.21 | USD | 20251103 |
| Shandong Haili Chem | China national standards | MT | 1749.76 | USD | 20251103 |
| Qingdao Shengze Chem | China national standards | MT | 1650.98 | USD | 20251103 |
| Qingdao Shengze Chem | China national standards | MT | 1650.98 | USD | 20251103 |
| Shandong Yihe Chem | China national standards | MT | 1622.46 | USD | 20251102 |
| Wudi Xinyue Chem | China national standards | MT | 1636.57 | USD | 20251102 |
| Shandong Yihe Chem | China national standards | MT | 1622.46 | USD | 20251102 |
| Shandong Jinshenrun Chem | China national standards | MT | 1580.14 | USD | 20251102 |