| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 102830.0 | USD | 20190401 |
| Unknown | China national standards | MT | 102830.0 | USD | 20190401 |
| Unknown | China national standards | MT | 105300.0 | USD | 20190323 |
| Unknown | China national standards | MT | 16730.0 | USD | 20190322 |
| Unknown | China national standards | MT | 13110.0 | USD | 20190321 |
| Unknown | China national standards | MT | 105380.0 | USD | 20190321 |
| Unknown | China national standards | MT | 14050.0 | USD | 20190321 |
| Unknown | China national standards | MT | 121450.0 | USD | 20190320 |
| Unknown | China national standards | MT | 17560.0 | USD | 20190320 |
| Unknown | China national standards | MT | 17570.0 | USD | 20190319 |