| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 4890.0 | USD | 20180119 |
| Unknown | China national standards | MT | 4870.0 | USD | 20180118 |
| Unknown | China national standards | MT | 3230.0 | USD | 20180117 |
| Unknown | China national standards | MT | 21650.0 | USD | 20180113 |
| Unknown | China national standards | MT | 21160.0 | USD | 20180112 |
| Unknown | China national standards | MT | 17870.0 | USD | 20180101 |
| Unknown | China national standards | MT | 18730.0 | USD | 20180101 |
| Unknown | China national standards | MT | 17870.0 | USD | 20180101 |
| Unknown | China national standards | MT | 18730.0 | USD | 20180101 |
| Unknown | China national standards | MT | 2700.0 | USD | 20180101 |