| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 7240.0 | USD | 20180117 |
| Unknown | China national standards | MT | 1010.0 | USD | 20180116 |
| Unknown | China national standards | MT | 7740.0 | USD | 20180115 |
| Unknown | China national standards | MT | 6930.0 | USD | 20180115 |
| Unknown | China national standards | MT | 6970.0 | USD | 20180113 |
| Unknown | China national standards | MT | 7180.0 | USD | 20180112 |
| Unknown | China national standards | MT | 61340.0 | USD | 20180101 |
| Unknown | China national standards | MT | 6590.0 | USD | 20180101 |
| Unknown | China national standards | MT | 50550.0 | USD | 20180101 |
| Unknown | China national standards | MT | 50550.0 | USD | 20180101 |