| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 189.12 | USD | 20250809 |
| Henan Huiyihai | China national standards | MT | 273.18 | USD | 20250809 |
| Henan Huiyi | China national standards | MT | 280.18 | USD | 20250808 |
| Henan Huiyihai | China national standards | MT | 273.18 | USD | 20250808 |
| Chizhou Xinyu Chem | China national standards | MT | 266.17 | USD | 20250808 |
| Shandong Qiangsen Chem | China national standards | MT | 189.12 | USD | 20250808 |
| Henan Huiyi | China national standards | MT | 280.33 | USD | 20250807 |
| Henan Huiyihai | China national standards | MT | 273.32 | USD | 20250807 |
| Chizhou Xinyu Chem | China national standards | MT | 266.31 | USD | 20250807 |
| Shandong Qiangsen Chem | China national standards | MT | 189.22 | USD | 20250807 |