| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 6020.0 | USD | 20190123 |
| Unknown | China national standards | MT | 6020.0 | USD | 20190123 |
| Unknown | China national standards | MT | 6040.0 | USD | 20190114 |
| Unknown | China national standards | MT | 860.0 | USD | 20190114 |
| Unknown | China national standards | MT | 860.0 | USD | 20190113 |
| Unknown | China national standards | MT | 5920.0 | USD | 20190112 |
| Unknown | China national standards | MT | 6030.0 | USD | 20190101 |
| Unknown | China national standards | MT | 860.0 | USD | 20190101 |
| Unknown | China national standards | MT | 870.0 | USD | 20190101 |
| Unknown | China national standards | MT | 880.0 | USD | 20190101 |