| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyi | China national standards | MT | 280.36 | USD | 20250814 |
| Henan Huiyihai | China national standards | MT | 273.35 | USD | 20250814 |
| Shandong Qiangsen Chem | China national standards | MT | 189.24 | USD | 20250814 |
| Chizhou Xinyu Chem | China national standards | MT | 252.32 | USD | 20250814 |
| Henan Huiyi | China national standards | MT | 280.31 | USD | 20250813 |
| Chizhou Xinyu Chem | China national standards | MT | 266.29 | USD | 20250813 |
| Shandong Qiangsen Chem | China national standards | MT | 189.21 | USD | 20250813 |
| Henan Huiyihai | China national standards | MT | 273.3 | USD | 20250813 |
| Henan Huiyi | China national standards | MT | 280.04 | USD | 20250812 |
| Henan Huiyihai | China national standards | MT | 273.04 | USD | 20250812 |