| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 100.0 | USD | 20190322 |
| Unknown | China national standards | MT | 100.0 | USD | 20190322 |
| Unknown | China national standards | MT | 100.0 | USD | 20190321 |
| Unknown | China national standards | MT | 3520.0 | USD | 20190321 |
| Unknown | China national standards | MT | 110.0 | USD | 20190320 |
| Unknown | China national standards | MT | 1540.0 | USD | 20190320 |
| Unknown | China national standards | MT | 230.0 | USD | 20190319 |
| Unknown | China national standards | MT | 720.0 | USD | 20190319 |
| Unknown | China national standards | MT | 3500.0 | USD | 20190318 |
| Unknown | China national standards | MT | 520.0 | USD | 20190318 |