| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 290.0 | USD | 20180101 |
| Unknown | China national standards | MT | 280.0 | USD | 20180101 |
| Unknown | China national standards | MT | 320.0 | USD | 20180101 |
| Unknown | China national standards | MT | 1750.0 | USD | 20171223 |
| Unknown | China national standards | MT | 1560.0 | USD | 20171223 |
| Unknown | China national standards | MT | 240.0 | USD | 20171223 |
| Unknown | China national standards | MT | 1710.0 | USD | 20171222 |
| Unknown | China national standards | MT | 1710.0 | USD | 20171221 |
| Unknown | China national standards | MT | 320.0 | USD | 20171221 |
| Unknown | China national standards | MT | 2110.0 | USD | 20171220 |