| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 5490.0 | USD | 20180201 |
| Unknown | China national standards | MT | 3840.0 | USD | 20180201 |
| Unknown | China national standards | MT | 25670.0 | USD | 20180123 |
| Unknown | China national standards | MT | 3910.0 | USD | 20180123 |
| Unknown | China national standards | MT | 23670.0 | USD | 20180122 |
| Unknown | China national standards | MT | 4050.0 | USD | 20180121 |
| Unknown | China national standards | MT | 3900.0 | USD | 20180120 |
| Unknown | China national standards | MT | 3900.0 | USD | 20180120 |
| Unknown | China national standards | MT | 23680.0 | USD | 20180119 |
| Unknown | China national standards | MT | 3580.0 | USD | 20180119 |