| Vendor | Spec | Unit | Price | Currency | Date |
| Guanyang Hongteng | China national standards | MT | 494.71 | USD | 20251205 |
| JX Dean Ind | China national standards | MT | 480.57 | USD | 20251205 |
| Hubei 789 Chem | China national standards | MT | 240.34 | USD | 20251204 |
| Hubei 789 Chem | China national standards | MT | 247.41 | USD | 20251204 |
| Xinyang Xinchen | China national standards | MT | 480.68 | USD | 20251204 |
| Guanyang Hongteng | China national standards | MT | 494.82 | USD | 20251204 |
| Shangrao Hengtong | China national standards | MT | 480.54 | USD | 20251203 |
| Hubei 789 Chem | China national standards | MT | 240.27 | USD | 20251203 |
| Xinyang Xinchen | China national standards | MT | 480.54 | USD | 20251203 |
| JX Dean Ind | China national standards | MT | 480.54 | USD | 20251203 |