| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 171190.0 | USD | 20180114 |
| Unknown | China national standards | MT | 12320.0 | USD | 20180114 |
| Unknown | China national standards | MT | 21850.0 | USD | 20180112 |
| Unknown | China national standards | MT | 143740.02 | USD | 20180110 |
| Unknown | China national standards | MT | 21550.0 | USD | 20180110 |
| Unknown | China national standards | MT | 12270.0 | USD | 20180110 |
| Unknown | China national standards | MT | 159640.0 | USD | 20180101 |
| Unknown | China national standards | MT | 154130.0 | USD | 20180101 |
| Unknown | China national standards | MT | 21710.0 | USD | 20180101 |
| Unknown | China national standards | MT | 23720.0 | USD | 20180101 |