| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 980.0 | USD | 20191021 |
| Unknown | China national standards | MT | 1300.0 | USD | 20191020 |
| Unknown | China national standards | MT | 140.0 | USD | 20191019 |
| Unknown | China national standards | MT | 1220.0 | USD | 20191018 |
| Unknown | China national standards | MT | 140.0 | USD | 20191016 |
| Unknown | China national standards | MT | 980.0 | USD | 20191015 |
| Unknown | China national standards | MT | 180.0 | USD | 20191014 |
| Unknown | China national standards | MT | 170.0 | USD | 20191012 |
| Unknown | China national standards | MT | 170.0 | USD | 20191010 |
| Unknown | China national standards | MT | 1210.0 | USD | 20191001 |