| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 240.0 | USD | 20190322 |
| Unknown | China national standards | MT | 150.0 | USD | 20190322 |
| Unknown | China national standards | MT | 1690.0 | USD | 20190321 |
| Unknown | China national standards | MT | 290.0 | USD | 20190321 |
| Unknown | China national standards | MT | 1390.0 | USD | 20190320 |
| Unknown | China national standards | MT | 1640.0 | USD | 20190320 |
| Unknown | China national standards | MT | 250.0 | USD | 20190319 |
| Unknown | China national standards | MT | 220.0 | USD | 20190319 |
| Unknown | China national standards | MT | 150.0 | USD | 20190319 |
| Unknown | China national standards | MT | 1820.0 | USD | 20190318 |