| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 80.0 | USD | 20190110 |
| Unknown | China national standards | MT | 80.0 | USD | 20190110 |
| Unknown | China national standards | MT | 500.0 | USD | 20190101 |
| Unknown | China national standards | MT | 500.0 | USD | 20190101 |
| Unknown | China national standards | MT | 510.0 | USD | 20190101 |
| Unknown | China national standards | MT | 600.0 | USD | 20190101 |
| Unknown | China national standards | MT | 440.0 | USD | 20190101 |
| Unknown | China national standards | MT | 580.0 | USD | 20190101 |
| Unknown | China national standards | MT | 530.0 | USD | 20190101 |
| Unknown | China national standards | MT | 500.0 | USD | 20190101 |