| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Luxi Chem | China national standards | MT | 576.43 | USD | 20250919 |
| Shandong Luxi Chem | China national standards | MT | 534.57 | USD | 20250918 |
| Shandong Luxi Chem | China national standards | MT | 590.84 | USD | 20250918 |
| Shandong Luxi Chem | China national standards | MT | 576.77 | USD | 20250918 |
| Shandong Luxi Chem | China national standards | MT | 591.44 | USD | 20250917 |
| Shandong Luxi Chem | China national standards | MT | 577.36 | USD | 20250917 |