| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chem | China national standards | MT | 993.94 | USD | 20251021 |
| Shandong Yuxuan Chem | China national standards | MT | 993.34 | USD | 20251020 |
| Shandong Yuxuan Chem | China national standards | MT | 993.67 | USD | 20251018 |
| Shandong Yuxuan Chem | China national standards | MT | 993.67 | USD | 20251017 |
| Shandong Yuxuan Chem | China national standards | MT | 993.41 | USD | 20251016 |
| Shandong Yuxuan Chem | China national standards | MT | 992.29 | USD | 20251011 |
| Shandong Yuxuan Chem | China national standards | MT | 992.29 | USD | 20251010 |
| Shandong Yuxuan Chem | China national standards | MT | 991.53 | USD | 20251009 |
| Shandong Yuxuan Chem | China national standards | MT | 992.19 | USD | 20250930 |
| Shandong Yuxuan Chem | China national standards | MT | 991.71 | USD | 20250929 |