| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jiaen Chem | Industrial Grade | MT | 317.13 | USD | 20251017 |
| Shandong Jiaen Chem | Industrial Grade | MT | 274.77 | USD | 20251016 |
| Shandong Jiaen Chem | China national standards | MT | 267.73 | USD | 20251016 |
| Shandong Jiaen Chem | China national standards | MT | 267.53 | USD | 20251014 |
| Shandong Jiaen Chem | Industrial Grade | MT | 274.57 | USD | 20251014 |
| Shandong Jiaen Chem | Industrial Grade | MT | 274.62 | USD | 20251013 |
| Shandong Jiaen Chem | China national standards | MT | 267.58 | USD | 20251013 |
| Shandong Jiaen Chem | China national standards | MT | 274.46 | USD | 20251012 |
| Shandong Jiaen Chem | China national standards | MT | 267.42 | USD | 20251012 |
| Shandong Jiaen Chem | Industrial Grade | MT | 274.46 | USD | 20251010 |