| Vendor | Spec | Unit | Price | Currency | Date |
| Shangrao Hengtong | China national standards | MT | 481.0 | USD | 20251211 |
| Xinyang Xinchen | China national standards | MT | 481.0 | USD | 20251211 |
| Hubei 789 Chem | China national standards | MT | 247.57 | USD | 20251211 |
| Guanyang Hongteng | China national standards | MT | 487.61 | USD | 20251210 |
| Hubei 789 Chem | China national standards | MT | 240.27 | USD | 20251210 |
| Shangrao Hengtong | China national standards | MT | 480.54 | USD | 20251210 |
| Hubei 789 Chem | China national standards | MT | 240.27 | USD | 20251210 |
| Hubei 789 Chem | China national standards | MT | 247.34 | USD | 20251210 |
| Hubei 789 Chem | China national standards | MT | 240.2 | USD | 20251209 |
| Guanyang Hongteng | China national standards | MT | 494.54 | USD | 20251209 |