| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1077.15 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 1098.27 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 1253.15 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 1281.31 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 1105.31 | USD | 20251014 |
| Shandong Jinwen Chem | China national standards | MT | 1041.95 | USD | 20251014 |
| Shandong Laya Chem | China national standards | MT | 999.7 | USD | 20251014 |
| Shandong Zhiheng | China national standards | MT | 1253.15 | USD | 20251014 |
| Shandong Hongyang Chem | China national standards | MT | 1126.43 | USD | 20251014 |
| Shandong Hongyang Chem | China national standards | MT | 1126.43 | USD | 20251014 |