| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jiaen Chem | China national standards | MT | 958.72 | USD | 20251024 |
| Shandong Jiaen Chem | China national standards | MT | 958.37 | USD | 20251022 |
| Shandong Jiaen Chem | China national standards | MT | 958.69 | USD | 20251021 |
| Shandong Jiaen Chem | China national standards | MT | 958.11 | USD | 20251020 |
| Shandong Jiaen Chem | China national standards | MT | 958.43 | USD | 20251018 |
| Shandong Jiaen Chem | China national standards | MT | 958.43 | USD | 20251017 |
| Shandong Jiaen Chem | China national standards | MT | 958.18 | USD | 20251016 |
| Shandong Jiaen Chem | China national standards | MT | 957.46 | USD | 20251014 |
| Shandong Jiaen Chem | China national standards | MT | 957.65 | USD | 20251013 |
| Shandong Jiaen Chem | China national standards | MT | 957.1 | USD | 20251012 |