| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 670.0 | USD | 20190718 |
| Unknown | China national standards | MT | 120.0 | USD | 20190717 |
| Unknown | China national standards | MT | 100.0 | USD | 20190717 |
| Unknown | China national standards | MT | 100.0 | USD | 20190716 |
| Unknown | China national standards | MT | 210.0 | USD | 20190714 |
| Unknown | China national standards | MT | 720.0 | USD | 20190714 |
| Unknown | China national standards | MT | 670.0 | USD | 20190712 |
| Unknown | China national standards | MT | 100.0 | USD | 20190711 |
| Unknown | China national standards | MT | 1430.0 | USD | 20190711 |
| Unknown | China national standards | MT | 810.0 | USD | 20190701 |