| Vendor | Spec | Unit | Price | Currency | Date |
| Xinyang Xinchen | China national standards | MT | 480.3 | USD | 20251128 |
| Hubei 789 Chem | China national standards | MT | 247.25 | USD | 20251127 |
| Shangrao Hengtong | China national standards | MT | 494.5 | USD | 20251127 |
| Guanyang Hongteng | China national standards | MT | 494.5 | USD | 20251127 |
| Hubei 789 Chem | China national standards | MT | 240.18 | USD | 20251127 |
| Hubei 789 Chem | China national standards | MT | 247.19 | USD | 20251126 |
| JX Dean Ind | China national standards | MT | 494.38 | USD | 20251126 |
| Guanyang Hongteng | China national standards | MT | 494.38 | USD | 20251126 |
| Shangrao Hengtong | China national standards | MT | 494.38 | USD | 20251126 |
| Xinyang Xinchen | China national standards | MT | 480.25 | USD | 20251126 |