| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyi | China national standards | MT | 281.47 | USD | 20251003 |
| Henan Huiyihai | China national standards | MT | 274.44 | USD | 20251002 |
| Wuhan Hengjiu Chem | China national standards | MT | 281.47 | USD | 20251002 |
| Shandong Kailong Chem | Industrial Grade | MT | 281.47 | USD | 20251002 |
| Henan Huiyi | China national standards | MT | 281.47 | USD | 20251002 |
| Wuhan Hengjiu Chem | China national standards | MT | 281.47 | USD | 20251001 |
| Zhangzhou Sanan Chem | China national standards | MT | 309.62 | USD | 20251001 |
| Shandong Kailong Chem | Industrial Grade | MT | 281.47 | USD | 20251001 |
| Henan Huiyi | China national standards | MT | 281.47 | USD | 20251001 |
| Shandong Fusheng | Industrial Grade | MT | 281.47 | USD | 20250930 |