| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 550.0 | USD | 20190221 |
| Unknown | China national standards | MT | 430.0 | USD | 20190221 |
| Unknown | China national standards | MT | 420.0 | USD | 20190220 |
| Unknown | China national standards | MT | 420.0 | USD | 20190220 |
| Unknown | China national standards | MT | 380.0 | USD | 20190220 |
| Unknown | China national standards | MT | 60.0 | USD | 20190220 |
| Unknown | China national standards | MT | 410.0 | USD | 20190219 |
| Unknown | China national standards | MT | 80.0 | USD | 20190219 |
| Unknown | China national standards | MT | 380.0 | USD | 20190217 |
| Unknown | China national standards | MT | 60.0 | USD | 20190216 |