| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 10570.0 | USD | 20190518 |
| Unknown | China national standards | MT | 1630.0 | USD | 20190517 |
| Unknown | China national standards | MT | 10940.0 | USD | 20190517 |
| Unknown | China national standards | MT | 11620.0 | USD | 20190516 |
| Unknown | China national standards | MT | 10760.0 | USD | 20190513 |
| Unknown | China national standards | MT | 1590.0 | USD | 20190512 |
| Unknown | China national standards | MT | 1610.0 | USD | 20190510 |
| Unknown | China national standards | MT | 10720.0 | USD | 20190510 |
| Unknown | China national standards | MT | 1750.0 | USD | 20190510 |
| Unknown | China national standards | MT | 10770.0 | USD | 20190501 |