| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 21130.0 | USD | 20180101 |
| Unknown | China national standards | MT | 23720.0 | USD | 20180101 |
| Unknown | China national standards | MT | 21670.0 | USD | 20180101 |
| Unknown | China national standards | MT | 24170.0 | USD | 20180101 |
| Unknown | China national standards | MT | 23990.0 | USD | 20171222 |
| Unknown | China national standards | MT | 166670.0 | USD | 20171222 |
| Unknown | China national standards | MT | 23270.0 | USD | 20171218 |
| Unknown | China national standards | MT | 158250.0 | USD | 20171215 |
| Unknown | China national standards | MT | 24990.0 | USD | 20171213 |
| Unknown | China national standards | MT | 21370.0 | USD | 20171213 |