| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chem | China national standards | MT | 845.62 | USD | 20251022 |
| Shandong Yuxuan Chem | China national standards | MT | 845.9 | USD | 20251021 |
| Shandong Yuxuan Chem | China national standards | MT | 845.39 | USD | 20251020 |
| Shandong Yuxuan Chem | China national standards | MT | 845.68 | USD | 20251018 |
| Shandong Yuxuan Chem | China national standards | MT | 845.68 | USD | 20251017 |
| Shandong Yuxuan Chem | China national standards | MT | 859.54 | USD | 20251016 |
| Shandong Yuxuan Chem | China national standards | MT | 858.57 | USD | 20251011 |
| Shandong Yuxuan Chem | China national standards | MT | 844.5 | USD | 20251010 |
| Shandong Yuxuan Chem | China national standards | MT | 843.86 | USD | 20251009 |
| Shandong Yuxuan Chem | China national standards | MT | 844.42 | USD | 20250930 |