| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jiaen Chem | Industrial Grade | MT | 317.81 | USD | 20251126 |
| Shandong Jiaen Chem | China national standards | MT | 268.38 | USD | 20251126 |
| Shandong Jiaen Chem | China national standards | MT | 268.18 | USD | 20251124 |
| Shandong Jiaen Chem | Industrial Grade | MT | 317.59 | USD | 20251124 |
| Shandong Jiaen Chem | China national standards | MT | 268.08 | USD | 20251122 |
| Shandong Jiaen Chem | China national standards | MT | 267.96 | USD | 20251120 |
| Shandong Jiaen Chem | Industrial Grade | MT | 317.33 | USD | 20251120 |
| Shandong Jiaen Chem | China national standards | MT | 268.09 | USD | 20251119 |
| Shandong Jiaen Chem | Industrial Grade | MT | 317.47 | USD | 20251119 |
| Shandong Jiaen Chem | China national standards | MT | 268.3 | USD | 20251117 |