| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 2020.0 | USD | 20190322 |
| Unknown | China national standards | MT | 300.0 | USD | 20190319 |
| Unknown | China national standards | MT | 1510.0 | USD | 20190316 |
| Unknown | China national standards | MT | 2310.0 | USD | 20190315 |
| Unknown | China national standards | MT | 2010.0 | USD | 20190315 |
| Unknown | China national standards | MT | 1510.0 | USD | 20190315 |
| Unknown | China national standards | MT | 1740.0 | USD | 20190314 |
| Unknown | China national standards | MT | 1870.0 | USD | 20190314 |
| Unknown | China national standards | MT | 2310.0 | USD | 20190313 |
| Unknown | China national standards | MT | 500.0 | USD | 20190313 |