| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 420.0 | USD | 20190301 |
| Unknown | China national standards | MT | 440.0 | USD | 20190301 |
| Unknown | China national standards | MT | 2210.0 | USD | 20190222 |
| Unknown | China national standards | MT | 400.0 | USD | 20190221 |
| Unknown | China national standards | MT | 760.0 | USD | 20190219 |
| Unknown | China national standards | MT | 5130.0 | USD | 20190218 |
| Unknown | China national standards | MT | 400.0 | USD | 20190217 |
| Unknown | China national standards | MT | 760.0 | USD | 20190217 |
| Unknown | China national standards | MT | 2760.0 | USD | 20190216 |
| Unknown | China national standards | MT | 320.0 | USD | 20190215 |