| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 410.0 | USD | 20190320 |
| Unknown | China national standards | MT | 11920.0 | USD | 20190314 |
| Unknown | China national standards | MT | 1570.0 | USD | 20190314 |
| Unknown | China national standards | MT | 270.0 | USD | 20190312 |
| Unknown | China national standards | MT | 14070.0 | USD | 20190311 |
| Unknown | China national standards | MT | 10550.0 | USD | 20190310 |
| Unknown | China national standards | MT | 2760.0 | USD | 20190301 |
| Unknown | China national standards | MT | 2090.0 | USD | 20190301 |
| Unknown | China national standards | MT | 14130.0 | USD | 20190301 |
| Unknown | China national standards | MT | 2760.0 | USD | 20190301 |