| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 21670.0 | USD | 20191101 |
| Unknown | China national standards | MT | 22400.0 | USD | 20191101 |
| Unknown | China national standards | MT | 1020.0 | USD | 20191020 |
| Unknown | China national standards | MT | 1020.0 | USD | 20191010 |
| Unknown | China national standards | MT | 7170.0 | USD | 20191001 |
| Unknown | China national standards | MT | 7170.0 | USD | 20191001 |
| Unknown | China national standards | MT | 7170.0 | USD | 20190923 |
| Unknown | China national standards | MT | 27650.0 | USD | 20190923 |
| Unknown | China national standards | MT | 3360.0 | USD | 20190922 |
| Unknown | China national standards | MT | 3880.0 | USD | 20190921 |