| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Luxi Chem | China national standards | MT | 798.03 | USD | 20260106 |
| Shandong Luxi Chem | China national standards | MT | 797.38 | USD | 20260105 |
| Shandong Luxi Chem | China national standards | MT | 796.72 | USD | 20260104 |
| Shandong Luxi Chem | China national standards | MT | 819.99 | USD | 20251204 |
| Shandong Luxi Chem | China national standards | MT | 819.74 | USD | 20251203 |
| Shandong Luxi Chem | China national standards | MT | 819.28 | USD | 20251202 |
| Shandong Luxi Chem | China national standards | MT | 819.68 | USD | 20251201 |
| Shandong Luxi Chem | China national standards | MT | 871.37 | USD | 20250928 |
| Shandong Luxi Chem | China national standards | MT | 871.37 | USD | 20250927 |
| Shandong Luxi Chem | China national standards | MT | 872.54 | USD | 20250924 |