| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jiaen Chem | China national standards | MT | 267.03 | USD | 20250926 |
| Shandong Jiaen Chem | Industrial Grade | MT | 274.43 | USD | 20250925 |
| Shandong Jiaen Chem | China national standards | MT | 267.39 | USD | 20250925 |
| Shandong Jiaen Chem | China national standards | MT | 267.39 | USD | 20250924 |
| Shandong Jiaen Chem | Industrial Grade | MT | 274.43 | USD | 20250924 |
| Shandong Jiaen Chem | Industrial Grade | MT | 274.43 | USD | 20250923 |
| Shandong Jiaen Chem | China national standards | MT | 267.39 | USD | 20250923 |
| Shandong Jiaen Chem | China national standards | MT | 267.21 | USD | 20250922 |
| Shandong Jiaen Chem | China national standards | MT | 274.24 | USD | 20250922 |
| Shandong Jiaen Chem | China national standards | MT | 267.12 | USD | 20250919 |