| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 190.09 | USD | 20250912 |
| Chizhou Xinyu Chem | China national standards | MT | 253.45 | USD | 20250912 |
| Shandong Fusheng | China national standards | MT | 281.61 | USD | 20250912 |
| Henan Huiyi | China national standards | MT | 281.66 | USD | 20250909 |
| Henan Huiyihai | China national standards | MT | 274.62 | USD | 20250909 |
| Chizhou Xinyu Chem | China national standards | MT | 253.49 | USD | 20250909 |
| Shandong Qiangsen Chem | China national standards | MT | 190.12 | USD | 20250909 |
| Henan Huiyi | China national standards | MT | 281.58 | USD | 20250908 |
| Chizhou Xinyu Chem | China national standards | MT | 253.42 | USD | 20250908 |
| Shandong Qiangsen Chem | China national standards | MT | 190.06 | USD | 20250908 |