| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 930.0 | USD | 20180223 |
| Unknown | China national standards | MT | 920.0 | USD | 20180222 |
| Unknown | China national standards | MT | 940.0 | USD | 20180220 |
| Unknown | China national standards | MT | 6060.0 | USD | 20180217 |
| Unknown | China national standards | MT | 6030.0 | USD | 20180217 |
| Unknown | China national standards | MT | 5940.0 | USD | 20180213 |
| Unknown | China national standards | MT | 6070.0 | USD | 20180212 |
| Unknown | China national standards | MT | 6040.0 | USD | 20180212 |
| Unknown | China national standards | MT | 5960.0 | USD | 20180211 |
| Unknown | China national standards | MT | 5960.0 | USD | 20180211 |