| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3270.0 | USD | 20180217 |
| Unknown | China national standards | MT | 520.0 | USD | 20180215 |
| Unknown | China national standards | MT | 130.0 | USD | 20180214 |
| Unknown | China national standards | MT | 3340.0 | USD | 20180213 |
| Unknown | China national standards | MT | 130.0 | USD | 20180213 |
| Unknown | China national standards | MT | 20.0 | USD | 20180211 |
| Unknown | China national standards | MT | 650.0 | USD | 20180210 |
| Unknown | China national standards | MT | 20.0 | USD | 20180210 |
| Unknown | China national standards | MT | 3350.0 | USD | 20180201 |
| Unknown | China national standards | MT | 650.0 | USD | 20180201 |