| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyi | China national standards | MT | 280.08 | USD | 20250806 |
| Henan Huiyihai | China national standards | MT | 273.07 | USD | 20250806 |
| Shandong Qiangsen Chem | China national standards | MT | 189.05 | USD | 20250806 |
| Chizhou Xinyu Chem | China national standards | MT | 266.07 | USD | 20250806 |
| Henan Huiyi | China national standards | MT | 280.25 | USD | 20250805 |
| Henan Huiyihai | China national standards | MT | 273.24 | USD | 20250805 |
| Chizhou Xinyu Chem | China national standards | MT | 266.23 | USD | 20250805 |
| Shandong Qiangsen Chem | China national standards | MT | 189.17 | USD | 20250805 |
| Henan Huiyi | China national standards | MT | 280.13 | USD | 20250804 |
| Henan Huiyihai | China national standards | MT | 273.13 | USD | 20250804 |