| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 230.0 | USD | 20190101 |
| Unknown | China national standards | MT | 240.0 | USD | 20190101 |
| Unknown | China national standards | MT | 230.0 | USD | 20181223 |
| Unknown | China national standards | MT | 240.0 | USD | 20181222 |
| Unknown | China national standards | MT | 230.0 | USD | 20181221 |
| Unknown | China national standards | MT | 210.0 | USD | 20181220 |
| Unknown | China national standards | MT | 1660.0 | USD | 20181220 |
| Unknown | China national standards | MT | 240.0 | USD | 20181219 |
| Unknown | China national standards | MT | 210.0 | USD | 20181218 |
| Unknown | China national standards | MT | 1450.0 | USD | 20181218 |