| Vendor | Spec | Unit | Price | Currency | Date |
| Yuxiang Poplar Chem | China national standards | MT | 970.67 | USD | 20250918 |
| Yuxiang Poplar Chem | China national standards | MT | 795.19 | USD | 20250904 |
| Yuxiang Poplar Chem | China national standards | MT | 802.11 | USD | 20250828 |
| Yuxiang Poplar Chem | China national standards | MT | 813.04 | USD | 20250814 |
| Yuxiang Poplar Chem | China national standards | MT | 826.72 | USD | 20250805 |