| Vendor | Spec | Unit | Price | Currency | Date |
| Xinyang Xinchen | China national standards | MT | 492.34 | USD | 20250929 |
| Guanyang Hongteng | China national standards | MT | 489.53 | USD | 20250929 |
| Hubei 789 Chem | China national standards | MT | 238.93 | USD | 20250928 |
| Hubei 789 Chem | China national standards | MT | 238.93 | USD | 20250928 |
| Xinyang Xinchen | China national standards | MT | 491.9 | USD | 20250928 |
| Shangrao Hengtong | China national standards | MT | 498.93 | USD | 20250928 |
| Guanyang Hongteng | China national standards | MT | 489.09 | USD | 20250928 |
| Guanyang Hongteng | China national standards | MT | 489.09 | USD | 20250926 |
| Hubei 789 Chem | China national standards | MT | 238.93 | USD | 20250926 |
| Xinyang Xinchen | China national standards | MT | 491.9 | USD | 20250926 |