| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 189.99 | USD | 20250915 |
| Shandong Fusheng | China national standards | MT | 281.47 | USD | 20250915 |
| Henan Huiyihai | China national standards | MT | 274.57 | USD | 20250914 |
| Henan Huiyi | China national standards | MT | 281.61 | USD | 20250914 |
| Henan Huiyihai | China national standards | MT | 274.57 | USD | 20250913 |
| Suzhou Zhaohua Chem | China national standards | MT | 352.02 | USD | 20250913 |
| Shandong Qiangsen Chem | China national standards | MT | 190.09 | USD | 20250913 |
| Henan Huiyi | China national standards | MT | 281.61 | USD | 20250913 |
| Shandong Qiangsen Chem | China national standards | MT | 190.09 | USD | 20250912 |
| Chizhou Xinyu Chem | China national standards | MT | 253.45 | USD | 20250912 |