| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chem | China national standards | MT | 352.87 | USD | 20251124 |
| Shandong Yuxuan Chem | China national standards | MT | 352.73 | USD | 20251122 |
| Shandong Yuxuan Chem | China national standards | MT | 352.73 | USD | 20251121 |
| Shandong Yuxuan Chem | China national standards | MT | 352.73 | USD | 20251121 |
| Shandong Yuxuan Chem | China national standards | MT | 352.58 | USD | 20251120 |
| Shandong Yuxuan Chem | China national standards | MT | 352.58 | USD | 20251120 |
| Shandong Yuxuan Chem | China national standards | MT | 352.75 | USD | 20251119 |
| Shandong Yuxuan Chem | China national standards | MT | 352.75 | USD | 20251119 |
| Shandong Yuxuan Chem | China national standards | MT | 352.83 | USD | 20251118 |
| Shandong Yuxuan Chem | China national standards | MT | 352.83 | USD | 20251118 |