| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1281.17 | USD | 20250908 |
| Shandong Langchem | China national standards | MT | 1253.01 | USD | 20250908 |
| Shandong Langchem | China national standards | MT | 1077.02 | USD | 20250908 |
| Shandong Langchem | China national standards | MT | 1098.14 | USD | 20250908 |
| Shandong Langchem | China national standards | MT | 1098.14 | USD | 20250908 |
| Shandong Xima | China national standards | MT | 985.51 | USD | 20250908 |
| Shandong Qiangsen Chem | China national standards | MT | 985.51 | USD | 20250908 |
| Shandong Jinwen Chem | China national standards | MT | 1041.83 | USD | 20250908 |
| Shandong Laya Chem | China national standards | MT | 999.59 | USD | 20250908 |
| Shandong Laya Chem | China national standards | MT | 999.59 | USD | 20250908 |