| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima | China national standards | MT | 784.12 | USD | 20250812 |
| Shandong Qiangsen Chem | China national standards | MT | 812.12 | USD | 20250812 |
| Shandong Laya Chem | China national standards | MT | 784.12 | USD | 20250812 |
| Shandong Yeyang Chem | China national standards | MT | 812.12 | USD | 20250812 |
| Aite Zhejiang | China national standards | MT | 882.13 | USD | 20250812 |
| Aite Zhejiang | China national standards | MT | 875.13 | USD | 20250812 |
| Aite Zhejiang | China national standards | MT | 882.13 | USD | 20250812 |
| Aite Zhejiang | China national standards | MT | 875.13 | USD | 20250812 |
| Shandong Jinwen Chem | China national standards | MT | 980.15 | USD | 20250812 |
| Shandong Langchem | China national standards | MT | 1050.35 | USD | 20250811 |