| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 210.0 | USD | 20180301 |
| Unknown | China national standards | MT | 220.0 | USD | 20180301 |
| Unknown | China national standards | MT | 220.0 | USD | 20180222 |
| Unknown | China national standards | MT | 1400.0 | USD | 20180220 |
| Unknown | China national standards | MT | 1520.0 | USD | 20180220 |
| Unknown | China national standards | MT | 1140.0 | USD | 20180216 |
| Unknown | China national standards | MT | 1570.0 | USD | 20180215 |
| Unknown | China national standards | MT | 1140.0 | USD | 20180213 |
| Unknown | China national standards | MT | 170.0 | USD | 20180213 |
| Unknown | China national standards | MT | 240.0 | USD | 20180213 |