| Vendor | Spec | Unit | Price | Currency | Date |
| Shangrao Hengtong | China national standards | MT | 471.13 | USD | 20250922 |
| Guanyang Hongteng | China national standards | MT | 464.1 | USD | 20250922 |
| Xinyang Xinchen | China national standards | MT | 478.16 | USD | 20250922 |
| Hubei 789 Chem | China national standards | MT | 239.01 | USD | 20250919 |
| Hubei 789 Chem | China national standards | MT | 239.01 | USD | 20250919 |
| Xinyang Xinchen | China national standards | MT | 478.01 | USD | 20250919 |
| Guanyang Hongteng | China national standards | MT | 463.95 | USD | 20250919 |
| Shangrao Hengtong | China national standards | MT | 470.98 | USD | 20250919 |
| Hubei 789 Chem | China national standards | MT | 239.15 | USD | 20250918 |
| Hubei 789 Chem | China national standards | MT | 239.15 | USD | 20250918 |