| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chem | China national standards | MT | 337.9 | USD | 20250916 |
| Jiangsu SOPO | China national standards | MT | 351.98 | USD | 20250916 |
| Nanjing Baitu Chem | China national standards | MT | 351.98 | USD | 20250916 |
| Chizhou Xinyu Chem | China national standards | MT | 408.3 | USD | 20250916 |
| Shandong Langchem | China national standards | MT | 394.22 | USD | 20250916 |
| Shandong Langchem | China national standards | MT | 387.18 | USD | 20250916 |
| Hebei Chuangde Tech | China national standards | MT | 387.18 | USD | 20250916 |
| Shandong Langchem | China national standards | MT | 351.98 | USD | 20250916 |
| Shandong Langchem | China national standards | MT | 366.06 | USD | 20250916 |
| Yankuang Guotai Chem | China national standards | MT | 337.76 | USD | 20250915 |