| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1174.73 | USD | 20251114 |
| Shandong Langchem | China national standards | MT | 1171.9 | USD | 20251114 |
| JS Yangnong Chem | China national standards | MT | 1694.32 | USD | 20251114 |
| Shandong Junfeng | China national standards | MT | 924.81 | USD | 20251114 |
| Shandong Jinshenrun Chem | China national standards | MT | 1580.47 | USD | 20251113 |
| Jinan Jiaxing Chem | China national standards | MT | 987.79 | USD | 20251113 |
| Weifang Yixin Chem | China national standards | MT | 1693.36 | USD | 20251113 |
| Qingdao Shengze Chem | China national standards | MT | 1594.58 | USD | 20251113 |
| Shandong Huize Chem | China national standards | MT | 1340.58 | USD | 20251113 |
| Qingdao Shengze Chem | China national standards | MT | 1594.58 | USD | 20251113 |