| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Leavit Chem | China national standards | MT | 12307.95 | USD | 20251211 |
| Henan Leavit Chem | China national standards | MT | 12296.3 | USD | 20251210 |
| Henan Leavit Chem | China national standards | MT | 12292.82 | USD | 20251209 |
| Henan Leavit Chem | China national standards | MT | 12294.39 | USD | 20251208 |
| Henan Leavit Chem | China national standards | MT | 12296.99 | USD | 20251207 |
| Henan Leavit Chem | China national standards | MT | 12296.99 | USD | 20251205 |
| Henan Leavit Chem | China national standards | MT | 12299.78 | USD | 20251204 |
| Henan Leavit Chem | China national standards | MT | 12296.12 | USD | 20251203 |
| Henan Leavit Chem | China national standards | MT | 12289.18 | USD | 20251202 |
| Henan Leavit Chem | China national standards | MT | 12295.26 | USD | 20251201 |