| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 742.24 | USD | 20250811 |
| Qingdao Shengze Chem | China national standards | MT | 686.23 | USD | 20250811 |
| Shandong Jinwen Chem | China national standards | MT | 784.26 | USD | 20250811 |
| Shandong Langchem | China national standards | MT | 847.28 | USD | 20250811 |
| Shandong Langchem | China national standards | MT | 861.28 | USD | 20250811 |
| Shandong Junfeng | China national standards | MT | 784.26 | USD | 20250811 |
| Shandong Junfeng | China national standards | MT | 770.25 | USD | 20250811 |
| Nanjing Baitu Chem | China national standards | MT | 742.24 | USD | 20250811 |
| Nanjing Baitu Chem | China national standards | MT | 742.24 | USD | 20250811 |
| Shandong Yeyang Chem | China national standards | MT | 784.26 | USD | 20250811 |