| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Leavit Chem | China national standards | MT | 12244.04 | USD | 20251008 |
| Henan Leavit Chem | China national standards | MT | 12244.04 | USD | 20251007 |
| Henan Leavit Chem | China national standards | MT | 12244.04 | USD | 20250930 |
| Henan Leavit Chem | China national standards | MT | 12238.18 | USD | 20250929 |
| Henan Leavit Chem | China national standards | MT | 12227.34 | USD | 20250928 |
| Henan Leavit Chem | China national standards | MT | 12227.34 | USD | 20250926 |
| Henan Leavit Chem | China national standards | MT | 12227.34 | USD | 20250926 |
| Henan Leavit Chem | China national standards | MT | 12243.69 | USD | 20250925 |
| Henan Leavit Chem | China national standards | MT | 12243.69 | USD | 20250924 |
| Henan Leavit Chem | China national standards | MT | 12243.69 | USD | 20250923 |