| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 15780.0 | USD | 20180301 |
| Unknown | China national standards | MT | 15780.0 | USD | 20180301 |
| Unknown | China national standards | MT | 15790.0 | USD | 20180222 |
| Unknown | China national standards | MT | 15820.0 | USD | 20180221 |
| Unknown | China national standards | MT | 102550.0 | USD | 20180219 |
| Unknown | China national standards | MT | 102550.0 | USD | 20180217 |
| Unknown | China national standards | MT | 103530.0 | USD | 20180210 |
| Unknown | China national standards | MT | 103770.0 | USD | 20180201 |
| Unknown | China national standards | MT | 15860.0 | USD | 20180201 |
| Unknown | China national standards | MT | 15860.0 | USD | 20180201 |