| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 100.0 | USD | 20180101 |
| Unknown | China national standards | MT | 870.0 | USD | 20171223 |
| Unknown | China national standards | MT | 170.0 | USD | 20171223 |
| Unknown | China national standards | MT | 140.0 | USD | 20171223 |
| Unknown | China national standards | MT | 880.0 | USD | 20171222 |
| Unknown | China national standards | MT | 720.0 | USD | 20171222 |
| Unknown | China national standards | MT | 970.0 | USD | 20171221 |
| Unknown | China national standards | MT | 140.0 | USD | 20171221 |
| Unknown | China national standards | MT | 140.0 | USD | 20171221 |
| Unknown | China national standards | MT | 140.0 | USD | 20171221 |