| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1280.0 | USD | 20180112 |
| Unknown | China national standards | MT | 40.0 | USD | 20180111 |
| Unknown | China national standards | MT | 370.0 | USD | 20180101 |
| Unknown | China national standards | MT | 40.0 | USD | 20180101 |
| Unknown | China national standards | MT | 20.0 | USD | 20180101 |
| Unknown | China national standards | MT | 190.0 | USD | 20180101 |
| Unknown | China national standards | MT | 20.0 | USD | 20171223 |
| Unknown | China national standards | MT | 50.0 | USD | 20171220 |
| Unknown | China national standards | MT | 410.0 | USD | 20171217 |
| Unknown | China national standards | MT | 120.0 | USD | 20171215 |