| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1310.0 | USD | 20190301 |
| Unknown | China national standards | MT | 190.0 | USD | 20190301 |
| Unknown | China national standards | MT | 120.0 | USD | 20190223 |
| Unknown | China national standards | MT | 790.0 | USD | 20190222 |
| Unknown | China national standards | MT | 120.0 | USD | 20190221 |
| Unknown | China national standards | MT | 120.0 | USD | 20190221 |
| Unknown | China national standards | MT | 160.0 | USD | 20190219 |
| Unknown | China national standards | MT | 530.0 | USD | 20190219 |
| Unknown | China national standards | MT | 3640.0 | USD | 20190217 |
| Unknown | China national standards | MT | 120.0 | USD | 20190217 |