| Vendor | Spec | Unit | Price | Currency | Date |
| Chizhou Xinyu Chem | China national standards | MT | 266.13 | USD | 20250804 |
| Shandong Qiangsen Chem | China national standards | MT | 189.09 | USD | 20250804 |
| Henan Huiyihai | China national standards | MT | 272.74 | USD | 20250803 |
| Henan Huiyi | China national standards | MT | 279.74 | USD | 20250803 |
| Henan Huiyi | China national standards | MT | 279.74 | USD | 20250802 |
| Henan Huiyihai | China national standards | MT | 272.74 | USD | 20250802 |
| Shandong Qiangsen Chem | China national standards | MT | 188.82 | USD | 20250802 |
| Henan Huiyi | China national standards | MT | 279.74 | USD | 20250801 |
| Henan Huiyihai | China national standards | MT | 272.74 | USD | 20250801 |
| Chizhou Xinyu Chem | China national standards | MT | 265.75 | USD | 20250801 |