| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1870.0 | USD | 20180121 |
| Unknown | China national standards | MT | 1700.0 | USD | 20180120 |
| Unknown | China national standards | MT | 12320.0 | USD | 20180117 |
| Unknown | China national standards | MT | 11050.0 | USD | 20180116 |
| Unknown | China national standards | MT | 1810.0 | USD | 20180116 |
| Unknown | China national standards | MT | 11120.0 | USD | 20180114 |
| Unknown | China national standards | MT | 1650.0 | USD | 20180113 |
| Unknown | China national standards | MT | 11050.0 | USD | 20180101 |
| Unknown | China national standards | MT | 12130.0 | USD | 20180101 |
| Unknown | China national standards | MT | 11760.0 | USD | 20180101 |