| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1279.38 | USD | 20250920 |
| Shandong Langchem | China national standards | MT | 1251.27 | USD | 20250920 |
| Shandong Langchem | China national standards | MT | 1075.53 | USD | 20250920 |
| Shandong Langchem | China national standards | MT | 1096.61 | USD | 20250920 |
| Shandong Langchem | China national standards | MT | 1096.61 | USD | 20250920 |
| Shandong Jinwen Chem | China national standards | MT | 1040.38 | USD | 20250920 |
| Shandong Xima | China national standards | MT | 984.14 | USD | 20250920 |
| Shandong Xima | China national standards | MT | 984.14 | USD | 20250920 |
| Shandong Qiangsen Chem | China national standards | MT | 984.14 | USD | 20250920 |
| Liaocheng Yuanze Chem | China national standards | MT | 1033.35 | USD | 20250920 |