| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yaowang Chem | China national standards | MT | 1083.77 | USD | 20251010 |
| Shandong Yaowang Chem | China national standards | MT | 1068.89 | USD | 20251009 |
| Shandong Yaowang Chem | China national standards | MT | 1083.67 | USD | 20250930 |
| Shandong Yaowang Chem | China national standards | MT | 1075.16 | USD | 20250928 |
| Shandong Yaowang Chem | China national standards | MT | 1075.16 | USD | 20250927 |
| Shandong Yaowang Chem | China national standards | MT | 1075.16 | USD | 20250926 |
| Shandong Yaowang Chem | China national standards | MT | 1076.6 | USD | 20250925 |
| Shandong Yaowang Chem | China national standards | MT | 1076.6 | USD | 20250924 |
| Shandong Yaowang Chem | China national standards | MT | 1076.6 | USD | 20250923 |