| Vendor | Spec | Unit | Price | Currency | Date |
| Shangrao Hengtong | China national standards | MT | 500.94 | USD | 20251103 |
| Xinyang Xinchen | China national standards | MT | 493.88 | USD | 20251103 |
| JX Dean Ind | China national standards | MT | 493.88 | USD | 20251103 |
| Hubei 789 Chem | China national standards | MT | 239.84 | USD | 20251031 |
| Hubei 789 Chem | China national standards | MT | 239.84 | USD | 20251031 |
| JX Dean Ind | China national standards | MT | 493.79 | USD | 20251031 |
| Shangrao Hengtong | China national standards | MT | 500.85 | USD | 20251031 |
| Hubei 789 Chem | China national standards | MT | 239.9 | USD | 20251030 |
| Guanyang Hongteng | China national standards | MT | 508.02 | USD | 20251030 |
| JX Dean Ind | China national standards | MT | 493.9 | USD | 20251030 |