| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 160.0 | USD | 20190801 |
| Unknown | China national standards | MT | 1160.0 | USD | 20190801 |
| Unknown | China national standards | MT | 1140.0 | USD | 20190717 |
| Unknown | China national standards | MT | 170.0 | USD | 20190715 |
| Unknown | China national standards | MT | 1430.0 | USD | 20190715 |
| Unknown | China national standards | MT | 1010.0 | USD | 20190714 |
| Unknown | China national standards | MT | 210.0 | USD | 20190711 |
| Unknown | China national standards | MT | 1430.0 | USD | 20190711 |
| Unknown | China national standards | MT | 150.0 | USD | 20190710 |
| Unknown | China national standards | MT | 1140.0 | USD | 20190701 |