| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyi | China national standards | MT | 281.18 | USD | 20250921 |
| Henan Huiyihai | China national standards | MT | 274.15 | USD | 20250921 |
| Zhangzhou Sanan Chem | China national standards | MT | 309.3 | USD | 20250921 |
| Shandong Shuojia Chem | China national standards | MT | 302.27 | USD | 20250920 |
| Shandong Shuojia Chem | China national standards | MT | 302.27 | USD | 20250920 |
| Shandong Shuojia Chem | China national standards | MT | 302.27 | USD | 20250920 |
| Shandong Longhui Chem | China national standards | MT | 302.27 | USD | 20250920 |
| Suzhou Shangma Chem | China national standards | MT | 253.06 | USD | 20250920 |
| Shandong Qiangsen Chem | China national standards | MT | 189.8 | USD | 20250920 |
| Chizhou Xinyu Chem | China national standards | MT | 253.06 | USD | 20250920 |