| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3820.0 | USD | 20190521 |
| Unknown | China national standards | MT | 600.0 | USD | 20190521 |
| Unknown | China national standards | MT | 4200.0 | USD | 20190520 |
| Unknown | China national standards | MT | 3700.0 | USD | 20190519 |
| Unknown | China national standards | MT | 600.0 | USD | 20190518 |
| Unknown | China national standards | MT | 4010.0 | USD | 20190518 |
| Unknown | China national standards | MT | 570.0 | USD | 20190517 |
| Unknown | China national standards | MT | 3740.0 | USD | 20190517 |
| Unknown | China national standards | MT | 520.0 | USD | 20190516 |
| Unknown | China national standards | MT | 3840.0 | USD | 20190516 |