| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 440.0 | USD | 20180317 |
| Unknown | China national standards | MT | 170.0 | USD | 20180315 |
| Unknown | China national standards | MT | 1040.0 | USD | 20180314 |
| Unknown | China national standards | MT | 1010.0 | USD | 20180313 |
| Unknown | China national standards | MT | 1080.0 | USD | 20180310 |
| Unknown | China national standards | MT | 1030.0 | USD | 20180301 |
| Unknown | China national standards | MT | 1130.0 | USD | 20180301 |
| Unknown | China national standards | MT | 160.0 | USD | 20180301 |
| Unknown | China national standards | MT | 160.0 | USD | 20180301 |
| Unknown | China national standards | MT | 160.0 | USD | 20180301 |