| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 9230.0 | USD | 20180123 |
| Unknown | China national standards | MT | 6070.0 | USD | 20180119 |
| Unknown | China national standards | MT | 930.0 | USD | 20180119 |
| Unknown | China national standards | MT | 6110.0 | USD | 20180117 |
| Unknown | China national standards | MT | 6460.0 | USD | 20180117 |
| Unknown | China national standards | MT | 910.0 | USD | 20180113 |
| Unknown | China national standards | MT | 970.0 | USD | 20180112 |
| Unknown | China national standards | MT | 920.0 | USD | 20180110 |
| Unknown | China national standards | MT | 6010.0 | USD | 20180101 |
| Unknown | China national standards | MT | 6360.0 | USD | 20180101 |