| Vendor | Spec | Unit | Price | Currency | Date |
| Chaozhou Ruixing Chem | China national standards | MT | 44607.92 | USD | 20211026 |
| Chaozhou Ruixing Chem | China national standards | MT | 44483.29 | USD | 20211020 |
| Chaozhou Ruixing Chem | China national standards | MT | 45040.85 | USD | 20211015 |
| Chaozhou Ruixing Chem | China national standards | MT | 36133.31 | USD | 20210805 |
| Unknown | China national standards | MT | 2830.0 | USD | 20210322 |
| Unknown | China national standards | MT | 2830.0 | USD | 20210321 |
| Unknown | China national standards | MT | 18240.0 | USD | 20210319 |
| Unknown | China national standards | MT | 5560.0 | USD | 20210318 |
| Unknown | China national standards | MT | 18270.0 | USD | 20210315 |
| Unknown | China national standards | MT | 35840.0 | USD | 20210313 |