| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1170.0 | USD | 20190401 |
| Unknown | China national standards | MT | 4770.0 | USD | 20190401 |
| Unknown | China national standards | MT | 7890.0 | USD | 20190401 |
| Unknown | China national standards | MT | 4770.0 | USD | 20190401 |
| Unknown | China national standards | MT | 1790.0 | USD | 20190320 |
| Unknown | China national standards | MT | 1790.0 | USD | 20190316 |
| Unknown | China national standards | MT | 270.0 | USD | 20190313 |
| Unknown | China national standards | MT | 270.0 | USD | 20190301 |
| Unknown | China national standards | MT | 1220.0 | USD | 20190118 |
| Unknown | China national standards | MT | 260.0 | USD | 20190117 |