| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 500.0 | USD | 20180221 |
| Unknown | China national standards | MT | 470.0 | USD | 20180221 |
| Unknown | China national standards | MT | 470.0 | USD | 20180219 |
| Unknown | China national standards | MT | 3050.0 | USD | 20180218 |
| Unknown | China national standards | MT | 470.0 | USD | 20180217 |
| Unknown | China national standards | MT | 1280.0 | USD | 20180215 |
| Unknown | China national standards | MT | 3260.0 | USD | 20180213 |
| Unknown | China national standards | MT | 500.0 | USD | 20180213 |
| Unknown | China national standards | MT | 490.0 | USD | 20180212 |
| Unknown | China national standards | MT | 500.0 | USD | 20180211 |