| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jiaen Chem | China national standards | MT | 961.09 | USD | 20251210 |
| Shandong Jiaen Chem | China national standards | MT | 960.82 | USD | 20251209 |
| Shandong Jiaen Chem | China national standards | MT | 961.36 | USD | 20251204 |
| Shandong Jiaen Chem | China national standards | MT | 960.53 | USD | 20251202 |
| Shandong Jiaen Chem | China national standards | MT | 960.6 | USD | 20251129 |
| Shandong Jiaen Chem | China national standards | MT | 960.6 | USD | 20251128 |
| Shandong Jiaen Chem | China national standards | MT | 960.51 | USD | 20251126 |
| Shandong Jiaen Chem | China national standards | MT | 959.81 | USD | 20251124 |
| Shandong Jiaen Chem | China national standards | MT | 959.44 | USD | 20251122 |
| Shandong Jiaen Chem | China national standards | MT | 959.03 | USD | 20251120 |