| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 450.0 | USD | 20190301 |
| Unknown | China national standards | MT | 450.0 | USD | 20190301 |
| Unknown | China national standards | MT | 390.0 | USD | 20190223 |
| Unknown | China national standards | MT | 3050.0 | USD | 20190221 |
| Unknown | China national standards | MT | 440.0 | USD | 20190220 |
| Unknown | China national standards | MT | 450.0 | USD | 20190220 |
| Unknown | China national standards | MT | 3070.0 | USD | 20190219 |
| Unknown | China national standards | MT | 450.0 | USD | 20190219 |
| Unknown | China national standards | MT | 430.0 | USD | 20190217 |
| Unknown | China national standards | MT | 280.0 | USD | 20190217 |