| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 90.0 | USD | 20190401 |
| Unknown | China national standards | MT | 1700.0 | USD | 20190401 |
| Unknown | China national standards | MT | 1400.0 | USD | 20190323 |
| Unknown | China national standards | MT | 55500.0 | USD | 20190322 |
| Unknown | China national standards | MT | 17160.0 | USD | 20190322 |
| Unknown | China national standards | MT | 16190.0 | USD | 20190321 |
| Unknown | China national standards | MT | 1700.0 | USD | 20190320 |
| Unknown | China national standards | MT | 6270.0 | USD | 20190319 |
| Unknown | China national standards | MT | 11480.0 | USD | 20190319 |
| Unknown | China national standards | MT | 9430.0 | USD | 20190317 |