| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 230.0 | USD | 20191001 |
| Unknown | China national standards | MT | 1640.0 | USD | 20191001 |
| Unknown | China national standards | MT | 1330.0 | USD | 20190923 |
| Unknown | China national standards | MT | 7540.0 | USD | 20190923 |
| Unknown | China national standards | MT | 9430.0 | USD | 20190922 |
| Unknown | China national standards | MT | 11790.0 | USD | 20190921 |
| Unknown | China national standards | MT | 1670.0 | USD | 20190919 |
| Unknown | China national standards | MT | 1100.0 | USD | 20190917 |
| Unknown | China national standards | MT | 1950.0 | USD | 20190915 |
| Unknown | China national standards | MT | 7530.0 | USD | 20190915 |