| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1355.03 | USD | 20251124 |
| Qingdao Shengze Chem | China national standards | MT | 1594.99 | USD | 20251124 |
| Aite Zhejiang | China national standards | MT | 1270.34 | USD | 20251124 |
| Shandong Junfeng | China national standards | MT | 917.47 | USD | 20251124 |
| Shandong Langchem | China national standards | MT | 1174.36 | USD | 20251124 |
| Shandong Yaoming Chem | China national standards | MT | 1079.79 | USD | 20251124 |
| Shandong Yihe Chem | China national standards | MT | 1637.33 | USD | 20251124 |
| Jinan Qi Mat | China national standards | MT | 1566.76 | USD | 20251124 |
| Jinan Aochen Chem | China national standards | MT | 1355.03 | USD | 20251124 |
| Shandong Yeyang Chem | China national standards | MT | 1150.37 | USD | 20251124 |