| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jiaen Chem | Industrial Grade | MT | 318.01 | USD | 20251210 |
| Shandong Jiaen Chem | China national standards | MT | 268.54 | USD | 20251210 |
| Shandong Jiaen Chem | China national standards | MT | 268.46 | USD | 20251209 |
| Shandong Jiaen Chem | China national standards | MT | 268.56 | USD | 20251205 |
| Shandong Jiaen Chem | China national standards | MT | 268.62 | USD | 20251204 |
| Shandong Jiaen Chem | China national standards | MT | 268.38 | USD | 20251202 |
| Shandong Jiaen Chem | China national standards | MT | 268.4 | USD | 20251129 |
| Shandong Jiaen Chem | China national standards | MT | 317.85 | USD | 20251129 |
| Shandong Jiaen Chem | Industrial Grade | MT | 317.85 | USD | 20251128 |
| Shandong Jiaen Chem | China national standards | MT | 268.4 | USD | 20251128 |