| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 20210.0 | USD | 20180820 |
| Unknown | China national standards | MT | 23800.0 | USD | 20180818 |
| Unknown | China national standards | MT | 1450.0 | USD | 20180818 |
| Unknown | China national standards | MT | 20160.0 | USD | 20180817 |
| Unknown | China national standards | MT | 22600.0 | USD | 20180816 |
| Unknown | China national standards | MT | 25040.0 | USD | 20180815 |
| Unknown | China national standards | MT | 9730.0 | USD | 20180813 |
| Unknown | China national standards | MT | 3830.0 | USD | 20180813 |
| Unknown | China national standards | MT | 25690.0 | USD | 20180812 |
| Unknown | China national standards | MT | 3530.0 | USD | 20180812 |