| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 392.13 | USD | 20250811 |
| Shandong Langchem | China national standards | MT | 385.13 | USD | 20250811 |
| Shandong Langchem | China national standards | MT | 364.12 | USD | 20250811 |
| Hebei Chuangde Tech | China national standards | MT | 385.13 | USD | 20250811 |
| Chizhou Xinyu Chem | China national standards | MT | 420.14 | USD | 20250811 |
| Jiangsu SOPO | China national standards | MT | 350.12 | USD | 20250811 |
| Nanjing Baitu Chem | China national standards | MT | 350.12 | USD | 20250811 |
| Hebei Chuangde Tech | China national standards | MT | 385.25 | USD | 20250809 |
| Shandong Langchem | China national standards | MT | 364.24 | USD | 20250809 |
| Shandong Langchem | China national standards | MT | 385.25 | USD | 20250809 |