| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chem | China national standards | MT | 365.54 | USD | 20250920 |
| Shandong Hualu | China national standards | MT | 365.54 | USD | 20250920 |
| Shandong Shuojia Chem | China national standards | MT | 365.54 | USD | 20250920 |
| Shandong Langchem | China national standards | MT | 393.66 | USD | 20250920 |
| Shandong Langchem | China national standards | MT | 386.63 | USD | 20250920 |
| Tianjin Shengtong | China national standards | MT | 351.48 | USD | 20250920 |
| Shandong Langchem | China national standards | MT | 365.54 | USD | 20250920 |
| Hebei Chuangde Tech | China national standards | MT | 386.63 | USD | 20250920 |
| Suzhou Shangma Chem | China national standards | MT | 407.72 | USD | 20250920 |
| Chizhou Xinyu Chem | China national standards | MT | 407.72 | USD | 20250920 |