| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 340.0 | USD | 20190101 |
| Unknown | China national standards | MT | 130.0 | USD | 20190101 |
| Unknown | China national standards | MT | 930.0 | USD | 20190101 |
| Unknown | China national standards | MT | 1000.0 | USD | 20190101 |
| Unknown | China national standards | MT | 140.0 | USD | 20190101 |
| Unknown | China national standards | MT | 130.0 | USD | 20181223 |
| Unknown | China national standards | MT | 2540.0 | USD | 20181221 |
| Unknown | China national standards | MT | 6980.0 | USD | 20181221 |
| Unknown | China national standards | MT | 370.0 | USD | 20181220 |
| Unknown | China national standards | MT | 1020.0 | USD | 20181220 |