| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Luxi Chem | China national standards | MT | 362.19 | USD | 20260306 |
| Shandong Luxi Chem | China national standards | MT | 333.3 | USD | 20260305 |
| Shandong Luxi Chem | China national standards | MT | 318.27 | USD | 20260304 |
| Shandong Luxi Chem | China national standards | MT | 281.65 | USD | 20260302 |