| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 350.0 | USD | 20190101 |
| Unknown | China national standards | MT | 470.0 | USD | 20190101 |
| Unknown | China national standards | MT | 140.0 | USD | 20190101 |
| Unknown | China national standards | MT | 140.0 | USD | 20190101 |
| Unknown | China national standards | MT | 980.0 | USD | 20181222 |
| Unknown | China national standards | MT | 420.0 | USD | 20181222 |
| Unknown | China national standards | MT | 1060.0 | USD | 20181222 |
| Unknown | China national standards | MT | 2620.0 | USD | 20181221 |
| Unknown | China national standards | MT | 2670.0 | USD | 20181221 |
| Unknown | China national standards | MT | 10.0 | USD | 20181221 |