| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chem | China national standards | MT | 899.48 | USD | 20250926 |
| Shandong Huize Chem | China national standards | MT | 900.69 | USD | 20250925 |
| Shandong Huize Chem | China national standards | MT | 900.69 | USD | 20250924 |
| Shandong Huize Chem | China national standards | MT | 900.69 | USD | 20250923 |
| Shandong Huize Chem | China national standards | MT | 900.06 | USD | 20250922 |
| Shandong Huize Chem | China national standards | MT | 899.79 | USD | 20250919 |
| Shandong Huize Chem | China national standards | MT | 900.33 | USD | 20250918 |
| Shandong Huize Chem | China national standards | MT | 901.07 | USD | 20250916 |
| Shandong Huize Chem | China national standards | MT | 900.7 | USD | 20250915 |
| Shandong Huize Chem | China national standards | MT | 900.28 | USD | 20250902 |