| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1130.76 | USD | 20251205 |
| Shandong Fusheng | China national standards | MT | 819.8 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 869.27 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 1081.29 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 897.54 | USD | 20251205 |
| Shandong Jinwen Chem | China national standards | MT | 1045.95 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 1109.56 | USD | 20251205 |
| Shandong Zhiheng | China national standards | MT | 1257.97 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 1257.97 | USD | 20251205 |
| Shandong Laya Chem | China national standards | MT | 1003.55 | USD | 20251205 |