| Vendor | Spec | Unit | Price | Currency | Date |
| Xinyang Xinchen | China national standards | MT | 480.54 | USD | 20251203 |
| Shangrao Hengtong | China national standards | MT | 480.54 | USD | 20251203 |
| Shangrao Hengtong | China national standards | MT | 480.27 | USD | 20251202 |
| Guanyang Hongteng | China national standards | MT | 494.39 | USD | 20251202 |
| Xinyang Xinchen | China national standards | MT | 480.27 | USD | 20251202 |
| Hubei 789 Chem | China national standards | MT | 240.13 | USD | 20251202 |
| JX Dean Ind | China national standards | MT | 494.39 | USD | 20251202 |
| Hubei 789 Chem | China national standards | MT | 240.13 | USD | 20251202 |
| Hubei 789 Chem | China national standards | MT | 247.32 | USD | 20251201 |
| Hubei 789 Chem | China national standards | MT | 240.25 | USD | 20251201 |