| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyi | China national standards | MT | 280.04 | USD | 20250727 |
| Chizhou Xinyu Chem | China national standards | MT | 266.04 | USD | 20250727 |
| Henan Huiyihai | China national standards | MT | 273.04 | USD | 20250726 |
| Shandong Qiangsen Chem | China national standards | MT | 189.03 | USD | 20250726 |
| Henan Huiyi | China national standards | MT | 280.04 | USD | 20250726 |
| Henan Huiyihai | China national standards | MT | 273.04 | USD | 20250725 |
| Henan Huiyi | China national standards | MT | 280.04 | USD | 20250725 |
| Chizhou Xinyu Chem | China national standards | MT | 266.04 | USD | 20250725 |
| Shandong Qiangsen Chem | China national standards | MT | 189.03 | USD | 20250725 |
| Henan Huiyihai | China national standards | MT | 273.17 | USD | 20250724 |