| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1270.0 | USD | 20190611 |
| Unknown | China national standards | MT | 680.0 | USD | 20190601 |
| Unknown | China national standards | MT | 8690.0 | USD | 20190601 |
| Unknown | China national standards | MT | 1270.0 | USD | 20190601 |
| Unknown | China national standards | MT | 680.0 | USD | 20190601 |
| Unknown | China national standards | MT | 8490.0 | USD | 20190523 |
| Unknown | China national standards | MT | 10700.0 | USD | 20190521 |
| Unknown | China national standards | MT | 1590.0 | USD | 20190521 |
| Unknown | China national standards | MT | 14230.0 | USD | 20190518 |
| Unknown | China national standards | MT | 1600.0 | USD | 20190517 |