| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1253.15 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 1393.95 | USD | 20251014 |
| Shandong Jinwen Chem | China national standards | MT | 1210.91 | USD | 20251014 |
| Shandong Yeyang Chem | China national standards | MT | 1253.15 | USD | 20251014 |
| Shandong Yeyang Chem | China national standards | MT | 1098.27 | USD | 20251014 |
| Shandong Yeyang Chem | China national standards | MT | 1098.27 | USD | 20251014 |
| Shandong Yeyang Chem | China national standards | MT | 1112.35 | USD | 20251014 |
| Shandong Laya Chem | China national standards | MT | 971.54 | USD | 20251014 |
| Shandong Zhiheng | China national standards | MT | 1408.03 | USD | 20251014 |
| Shandong Zhiheng | China national standards | MT | 1330.59 | USD | 20251014 |