| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1510.0 | USD | 20170601 |
| Unknown | China national standards | MT | 1550.0 | USD | 20170522 |
| Unknown | China national standards | MT | 1560.0 | USD | 20170521 |
| Unknown | China national standards | MT | 1560.0 | USD | 20170521 |
| Unknown | China national standards | MT | 1530.0 | USD | 20170519 |
| Unknown | China national standards | MT | 230.0 | USD | 20170518 |
| Unknown | China national standards | MT | 220.0 | USD | 20170518 |
| Unknown | China national standards | MT | 1530.0 | USD | 20170516 |
| Unknown | China national standards | MT | 220.0 | USD | 20170515 |
| Unknown | China national standards | MT | 1510.0 | USD | 20170511 |