| Vendor | Spec | Unit | Price | Currency | Date |
| Chizhou Xinyu Chem | China national standards | MT | 252.2 | USD | 20250817 |
| Henan Huiyi | China national standards | MT | 280.23 | USD | 20250817 |
| Henan Huiyihai | China national standards | MT | 273.22 | USD | 20250817 |
| Henan Huiyi | China national standards | MT | 280.23 | USD | 20250816 |
| Shandong Qiangsen Chem | China national standards | MT | 189.15 | USD | 20250816 |
| Henan Huiyihai | China national standards | MT | 273.22 | USD | 20250816 |
| Henan Huiyi | China national standards | MT | 280.23 | USD | 20250815 |
| Henan Huiyihai | China national standards | MT | 273.22 | USD | 20250815 |
| Chizhou Xinyu Chem | China national standards | MT | 252.2 | USD | 20250815 |
| Shandong Qiangsen Chem | China national standards | MT | 189.15 | USD | 20250815 |