| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 4850.0 | USD | 20190521 |
| Unknown | China national standards | MT | 870.0 | USD | 20190521 |
| Unknown | China national standards | MT | 20530.0 | USD | 20190520 |
| Unknown | China national standards | MT | 980.0 | USD | 20190520 |
| Unknown | China national standards | MT | 1830.0 | USD | 20190519 |
| Unknown | China national standards | MT | 6670.0 | USD | 20190518 |
| Unknown | China national standards | MT | 32630.0 | USD | 20190517 |
| Unknown | China national standards | MT | 12270.0 | USD | 20190517 |
| Unknown | China national standards | MT | 177210.02 | USD | 20190517 |
| Unknown | China national standards | MT | 870.0 | USD | 20190516 |