| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 100.0 | USD | 20190621 |
| Unknown | China national standards | MT | 100.0 | USD | 20190621 |
| Unknown | China national standards | MT | 670.0 | USD | 20190621 |
| Unknown | China national standards | MT | 100.0 | USD | 20190621 |
| Unknown | China national standards | MT | 630.0 | USD | 20190620 |
| Unknown | China national standards | MT | 90.0 | USD | 20190619 |
| Unknown | China national standards | MT | 640.0 | USD | 20190619 |
| Unknown | China national standards | MT | 630.0 | USD | 20190618 |
| Unknown | China national standards | MT | 100.0 | USD | 20190618 |
| Unknown | China national standards | MT | 100.0 | USD | 20190618 |